Vercel redirects (#5728)

Converting Docusaurus redirects (client side) to Vercel server side
format. 

Will commit to main for testing on Vercel.

Build works. Merging to main to test at https://docs-new.getunleash.io/

website/vercel.json

@@ -1,6 +1,159 @@
 {
   "redirects": [
     { "source": "/ivar-test", "destination": "/topics/feature-flags/feature-flag-best-practices", "permanent": false },
-    { "source": "/ivar-test2", "destination": "/topics/feature-flags/feature-flag-best-practices", "permanent": false }
+    { "source": "/ivar-test2", "destination": "/topics/feature-flags/feature-flag-best-practices", "permanent": false },
+    { "source": "/user_guide/api-token", "destination": "/how-to/how-to-create-api-tokens", "permanent": true },
+    { "source": "/deploy/user_guide/api-token", "destination": "/how-to/how-to-create-api-tokens", "permanent": true },
+    { "source": "/advanced/audit_log", "destination": "/reference/event-log", "permanent": true },
+    { "source": "/api/open_api", "destination": "/reference/api/unleash", "permanent": true },
+    { "source": "/advanced/api_access", "destination": "/how-to/how-to-use-the-admin-api", "permanent": true },
+    { "source": "/advanced/archived_toggles", "destination": "/reference/archived-toggles", "permanent": true },
+    { "source": "/advanced/custom-activation-strategy", "destination": "/reference/custom-activation-strategies", "permanent": true },
+    { "source": "/advanced/custom_activation_strategy", "destination": "/reference/custom-activation-strategies", "permanent": true },
+    { "source": "/advanced/feature_toggle_types", "destination": "/reference/feature-toggle-types", "permanent": true },
+    { "source": "/toggle_variants", "destination": "/reference/feature-toggle-variants", "permanent": true },
+    { "source": "/advanced/feature_toggle_variants", "destination": "/reference/feature-toggle-variants", "permanent": true },
+    { "source": "/advanced/toggle_variants", "destination": "/reference/feature-toggle-variants", "permanent": true },
+    { "source": "/advanced/impression-data", "destination": "/reference/impression-data", "permanent": true },
+    { "source": "/advanced/impression_data", "destination": "/reference/impression-data", "permanent": true },
+    { "source": "/advanced/stickiness", "destination": "/reference/stickiness", "permanent": true },
+    { "source": "/advanced/sso-google", "destination": "/how-to/how-to-add-sso-google", "permanent": true },
+    { "source": "/advanced/sso-open-id-connect", "destination": "/how-to/how-to-add-sso-open-id-connect", "permanent": true },
+    { "source": "/advanced/sso-saml-keycloak", "destination": "/how-to/how-to-add-sso-saml-keycloak", "permanent": true },
+    { "source": "/advanced/sso-saml", "destination": "/how-to/how-to-add-sso-saml", "permanent": true },
+    { "source": "/advanced/strategy_constraints", "destination": "/reference/strategy-constraints", "permanent": true },
+    { "source": "/advanced/tags", "destination": "/reference/tags", "permanent": true },
+    { "source": "/advanced/enterprise-authentication", "destination": "/reference/sso", "permanent": true },
+    { "source": "/addons", "destination": "/reference/integrations", "permanent": true },
+    { "source": "/reference/addons", "destination": "/reference/integrations", "permanent": true },
+    { "source": "/addons/datadog", "destination": "/reference/integrations/datadog", "permanent": true },
+    { "source": "/reference/addons/datadog", "destination": "/reference/integrations/datadog", "permanent": true },
+    { "source": "/addons/slack", "destination": "/reference/integrations/slack", "permanent": true },
+    { "source": "/reference/addons/slack", "destination": "/reference/integrations/slack", "permanent": true },
+    { "source": "/addons/slack-app", "destination": "/reference/integrations/slack-app", "permanent": true },
+    { "source": "/reference/addons/slack-app", "destination": "/reference/integrations/slack-app", "permanent": true },
+    { "source": "/addons/teams", "destination": "/reference/integrations/teams", "permanent": true },
+    { "source": "/reference/addons/teams", "destination": "/reference/integrations/teams", "permanent": true },
+    { "source": "/addons/webhook", "destination": "/reference/integrations/webhook", "permanent": true },
+    { "source": "/reference/addons/webhook", "destination": "/reference/integrations/webhook", "permanent": true },
+    { "source": "/guides/feature_updates_to_slack", "destination": "/how-to/how-to-send-feature-updates-to-slack-deprecated", "permanent": true },
+    { "source": "/integrations/integrations", "destination": "/reference/integrations", "permanent": true },
+    { "source": "/integrations", "destination": "/reference/integrations", "permanent": true },
+    { "source": "/integrations/jira_server_plugin_installation", "destination": "/reference/integrations/jira-server-plugin-installation", "permanent": true },
+    { "source": "/integrations/jira_server_plugin_usage", "destination": "/reference/integrations/jira-server-plugin-usage", "permanent": true },
+    { "source": "/sdks", "destination": "/reference/sdks", "permanent": true },
+    { "source": "/user_guide/client-sdk", "destination": "/reference/sdks", "permanent": true },
+    { "source": "/client-sdk", "destination": "/reference/sdks", "permanent": true },
+    { "source": "/user_guide/connect_sdk", "destination": "/reference/sdks", "permanent": true },
+    { "source": "/sdks/community", "destination": "/reference/sdks", "permanent": true },
+    { "source": "/sdks/go_sdk", "destination": "/reference/sdks/go", "permanent": true },
+    { "source": "/sdks/java_sdk", "destination": "/reference/sdks/java", "permanent": true },
+    { "source": "/sdks/node_sdk", "destination": "/reference/sdks/node", "permanent": true },
+    { "source": "/sdks/php_sdk", "destination": "/reference/sdks/php", "permanent": true },
+    { "source": "/sdks/python_sdk", "destination": "/reference/sdks/python", "permanent": true },
+    { "source": "/sdks/dot_net_sdk", "destination": "/reference/sdks/dotnet", "permanent": true },
+    { "source": "/sdks/ruby_sdk", "destination": "/reference/sdks/ruby", "permanent": true },
+    { "source": "/sdks/android_proxy_sdk", "destination": "/reference/sdks/android-proxy", "permanent": true },
+    { "source": "/sdks/proxy-ios", "destination": "/reference/sdks/ios-proxy", "permanent": true },
+    { "source": "/sdks/proxy-javascript", "destination": "/reference/sdks/javascript-browser", "permanent": true },
+    { "source": "/sdks/javascript-browser", "destination": "/reference/sdks/javascript-browser", "permanent": true },
+    { "source": "/sdks/proxy-react", "destination": "/reference/sdks/react", "permanent": true },
+    { "source": "/sdks/react", "destination": "/reference/sdks/react", "permanent": true },
+    { "source": "/sdks/proxy-vue", "destination": "/reference/sdks/vue", "permanent": true },
+    { "source": "/sdks/proxy-svelte", "destination": "/reference/sdks/svelte", "permanent": true },
+    { "source": "/user_guide/native_apps", "destination": "/reference/unleash-proxy", "permanent": true },
+    { "source": "/user_guide/proxy-api", "destination": "/reference/unleash-proxy", "permanent": true },
+    { "source": "/sdks/unleash-proxy", "destination": "/reference/unleash-proxy", "permanent": true },
+    { "source": "/user_guide/create_feature_toggle", "destination": "/how-to/how-to-create-feature-toggles", "permanent": true },
+    { "source": "/user_guide/control_rollout", "destination": "/reference/activation-strategies", "permanent": true },
+    { "source": "/user_guide/activation_strategy", "destination": "/reference/activation-strategies", "permanent": true },
+    { "source": "/user_guide/environments", "destination": "/reference/environments", "permanent": true },
+    { "source": "/user_guide/projects", "destination": "/reference/projects", "permanent": true },
+    { "source": "/user_guide/rbac", "destination": "/reference/rbac", "permanent": true },
+    { "source": "/advanced/groups", "destination": "/reference/rbac", "permanent": true },
+    { "source": "/user_guide/technical_debt", "destination": "/reference/technical-debt", "permanent": true },
+    { "source": "/user_guide/unleash_context", "destination": "/reference/unleash-context", "permanent": true },
+    { "source": "/user_guide/user-management", "destination": "/how-to/how-to-add-users-to-unleash", "permanent": true },
+    { "source": "/user_guide/v4-whats-new", "destination": "/reference/whats-new-v4", "permanent": true },
+    { "source": "/user_guide/important-concepts", "destination": "/reference", "permanent": true },
+    { "source": "/tutorials/important-concepts", "destination": "/reference", "permanent": true },
+    { "source": "/reference/concepts/", "destination": "/reference", "permanent": true },
+    { "source": "/user_guide/quickstart", "destination": "/quickstart", "permanent": true },
+    { "source": "/docs/getting_started", "destination": "/quickstart", "permanent": true },
+    { "source": "/tutorials/quickstart", "destination": "/quickstart", "permanent": true },
+    { "source": "/tutorials/getting-started", "destination": "/quickstart", "permanent": true },
+    { "source": "/api/basic-auth", "destination": "/reference/api/legacy/unleash/basic-auth", "permanent": true },
+    { "source": "/api", "destination": "/reference/api/legacy/unleash", "permanent": true },
+    { "source": "/api/admin/addons", "destination": "/reference/api/legacy/unleash/admin/addons", "permanent": true },
+    { "source": "/api/admin/context", "destination": "/reference/api/legacy/unleash/admin/context", "permanent": true },
+    { "source": "/api/admin/events", "destination": "/reference/api/legacy/unleash/admin/events", "permanent": true },
+    { "source": "/api/admin/feature-toggles-v2", "destination": "/reference/api/legacy/unleash/admin/features-v2", "permanent": true },
+    { "source": "/api/admin/feature-types", "destination": "/reference/api/legacy/unleash/admin/feature-types", "permanent": true },
+    { "source": "/api/admin/features", "destination": "/reference/api/legacy/unleash/admin/features", "permanent": true },
+    { "source": "/api/admin/features-archive", "destination": "/reference/api/legacy/unleash/admin/archive", "permanent": true },
+    { "source": "/api/admin/metrics", "destination": "/reference/api/legacy/unleash/admin/metrics", "permanent": true },
+    { "source": "/api/admin/projects", "destination": "/reference/api/legacy/unleash/admin/projects", "permanent": true },
+    { "source": "/api/admin/segments", "destination": "/reference/api/legacy/unleash/admin/segments", "permanent": true },
+    { "source": "/api/admin/state", "destination": "/reference/api/legacy/unleash/admin/state", "permanent": true },
+    { "source": "/api/admin/strategies", "destination": "/reference/api/legacy/unleash/admin/strategies", "permanent": true },
+    { "source": "/api/admin/tags", "destination": "/reference/api/legacy/unleash/admin/tags", "permanent": true },
+    { "source": "/api/admin/user-admin", "destination": "/reference/api/legacy/unleash/admin/user-admin", "permanent": true },
+    { "source": "/api/client/features", "destination": "/reference/api/legacy/unleash/client/features", "permanent": true },
+    { "source": "/api/client/metrics", "destination": "/reference/api/legacy/unleash/client/metrics", "permanent": true },
+    { "source": "/api/client/register", "destination": "/reference/api/legacy/unleash/client/register", "permanent": true },
+    { "source": "/api/internal/internal", "destination": "/reference/api/legacy/unleash/internal/prometheus", "permanent": true },
+    { "source": "/api/internal/health", "destination": "/reference/api/legacy/unleash/internal/health", "permanent": true },
+    { "source": "/help", "destination": "/", "permanent": true },
+    { "source": "/topics/feature-flags/tutorials", "destination": "/feature-flag-tutorials", "permanent": true },
+    { "source": "/tutorials", "destination": "/feature-flag-tutorials", "permanent": true },
+    { "source": "/topics/feature-flags/tutorials/react/implementing-feature-flags", "destination": "/feature-flag-tutorials/react", "permanent": true },
+    { "source": "/topics/feature-flags/tutorials/flutter/a-b-testing", "destination": "/feature-flag-tutorials/flutter/a-b-testing", "permanent": true },
+    { "source": "/topics/feature-flags/tutorials/nextjs/implementing-feature-flags", "destination": "/feature-flag-tutorials/nextjs/implementing-feature-flags", "permanent": true },
+    { "source": "/tutorials/academy", "destination": "/unleash-academy/introduction", "permanent": true },
+    { "source": "/unleash-academy", "destination": "/unleash-academy/introduction", "permanent": true },
+    { "source": "/tutorials/academy-foundational", "destination": "/unleash-academy/foundational", "permanent": true },
+    { "source": "/tutorials/academy-advanced-for-devs", "destination": "/unleash-academy/advanced-for-devs", "permanent": true },
+    { "source": "/tutorials/academy-managing-unleash-for-devops", "destination": "/unleash-academy/managing-unleash-for-devops", "permanent": true },
+    { "source": "/developer-guide", "destination": "/contributing", "permanent": true },
+    { "source": "/tutorials/unleash-overview", "destination": "/understanding-unleash/unleash-overview", "permanent": true },
+    { "source": "/user_guide/unleash_overview", "destination": "/understanding-unleash/unleash-overview", "permanent": true },
+    { "source": "/tutorials/managing-constraints", "destination": "/understanding-unleash/managing-constraints", "permanent": true },
+    { "source": "/topics/managing-constraints", "destination": "/understanding-unleash/managing-constraints", "permanent": true },
+    { "source": "/tutorials/the-anatomy-of-unleash", "destination": "/understanding-unleash/the-anatomy-of-unleash", "permanent": true },
+    { "source": "/topics/the-anatomy-of-unleash", "destination": "/understanding-unleash/the-anatomy-of-unleash", "permanent": true },
+    { "source": "/tutorials/proxy-hosting", "destination": "/understanding-unleash/proxy-hosting", "permanent": true },
+    { "source": "/topics/proxy-hosting", "destination": "/understanding-unleash/proxy-hosting", "permanent": true },
+    { "source": "/tutorials/data-collection", "destination": "/understanding-unleash/data-collection", "permanent": true },
+    { "source": "/topics/data-collection", "destination": "/understanding-unleash/data-collection", "permanent": true },
+    { "source": "/how-to/how-to-troubleshoot-flag-exposure", "destination": "/using-unleash/troubleshooting/flag-exposure", "permanent": true },
+    { "source": "/how-to/how-to-troubleshoot-flag-not-returned", "destination": "/using-unleash/troubleshooting/flag-not-returned", "permanent": true },
+    { "source": "/how-to/how-to-troubleshoot-cors", "destination": "/using-unleash/troubleshooting/cors", "permanent": true },
+    { "source": "/how-to/how-to-troubleshoot-feature-not-available", "destination": "/using-unleash/troubleshooting/feature-not-available", "permanent": true },
+    { "source": "/reference/deploy", "destination": "/using-unleash/deploy", "permanent": true },
+    { "source": "/deploy", "destination": "/using-unleash/deploy", "permanent": true },
+    { "source": "/reference/deploy/getting-started", "destination": "/using-unleash/deploy/getting-started", "permanent": true },
+    { "source": "/deploy/getting_started", "destination": "/using-unleash/deploy/getting-started", "permanent": true },
+    { "source": "/reference/deploy/configuring-unleash", "destination": "/using-unleash/deploy/configuring-unleash", "permanent": true },
+    { "source": "/deploy/configuring_unleash", "destination": "/using-unleash/deploy/configuring-unleash", "permanent": true },
+    { "source": "/reference/deploy/configuring-unleash-v3", "destination": "/using-unleash/deploy/configuring-unleash-v3", "permanent": true },
+    { "source": "/deploy/configuring_unleash_v3", "destination": "/using-unleash/deploy/configuring-unleash-v3", "permanent": true },
+    { "source": "/reference/deploy/database-setup", "destination": "/using-unleash/deploy/database-setup", "permanent": true },
+    { "source": "/deploy/database-setup", "destination": "/using-unleash/deploy/database-setup", "permanent": true },
+    { "source": "/reference/deploy/database-backup", "destination": "/using-unleash/deploy/database-backup", "permanent": true },
+    { "source": "/deploy/database-backup", "destination": "/using-unleash/deploy/database-backup", "permanent": true },
+    { "source": "/reference/deploy/email-service", "destination": "/using-unleash/deploy/email-service", "permanent": true },
+    { "source": "/deploy/email", "destination": "/using-unleash/deploy/email-service", "permanent": true },
+    { "source": "/reference/deploy/google-auth-hook", "destination": "/using-unleash/deploy/google-auth-hook", "permanent": true },
+    { "source": "/deploy/google_auth", "destination": "/using-unleash/deploy/google-auth-hook", "permanent": true },
+    { "source": "/deploy/migration_guide", "destination": "/using-unleash/deploy/upgrading-unleash", "permanent": true },
+    { "source": "/reference/deploy/migration-guide", "destination": "/using-unleash/deploy/upgrading-unleash", "permanent": true },
+    { "source": "/reference/deploy/securing-unleash", "destination": "/using-unleash/deploy/securing-unleash", "permanent": true },
+    { "source": "/deploy/securing_unleash", "destination": "/using-unleash/deploy/securing-unleash", "permanent": true },
+    { "source": "/reference/deploy/import-export", "destination": "/how-to/how-to-import-export", "permanent": true },
+    { "source": "/deploy/import_export", "destination": "/how-to/how-to-import-export", "permanent": true },
+    { "source": "/reference/deploy/environment-import-export", "destination": "/how-to/how-to-environment-import-export", "permanent": true },
+    { "source": "/deploy/environment-import-export", "destination": "/how-to/how-to-environment-import-export", "permanent": true }
   ]
 }
+
+