[v0/v1] [Ranking page revamp] Add feature flag for ranking pages

[juliawu]

Adds a new_ranking_page feature flag for the revamp of the ranking pages.

As part of the v0/v1 migration, we are doing a simple revamp of the ranking pages. Adding this flag will allow me to more easily break up the changes into smaller PRs without affecting the production pages, which generate a lot of SEO traffic.

The flag is set to enabled by default on autopush and local, and false by default for dev and staging. There is no flag set for production.

[gemini-code-assist]

Summary of Changes

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This pull request introduces a new feature flag, "new_ranking_page", across various environment configuration files. This flag is a foundational step for the upcoming revamp of the ranking pages, allowing the author to incrementally develop and deploy changes in subsequent PRs. By establishing this flag, the project can manage the rollout of the new UI, ensuring that changes can be tested and released without immediately impacting the critical SEO performance of existing production pages during the v0/v1 migration.

Highlights

• Feature Flag Introduction: A new feature flag, "new_ranking_page", has been introduced across multiple environment configurations to enable a phased rollout of revamped ranking pages. This flag is initially set to "false" in all configurations within this PR, providing a mechanism to control the new UI's visibility without immediately affecting production SEO traffic.

Changelog

• server/config/feature_flag_configs/autopush.json
  • Added the "new_ranking_page" feature flag configuration.
• server/config/feature_flag_configs/custom.json
  • Added the "new_ranking_page" feature flag configuration.
• server/config/feature_flag_configs/dev.json
  • Added the "new_ranking_page" feature flag configuration.
• server/config/feature_flag_configs/local.json
  • Added the "new_ranking_page" feature flag configuration.
• server/config/feature_flag_configs/staging.json
  • Added the "new_ranking_page" feature flag configuration.

Activity

• No human activity has been recorded on this pull request yet.

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[gemini-code-assist]

Code Review

This pull request introduces the new_ranking_page feature flag to support the revamp of the ranking pages. The changes correctly add the flag to the configuration files for various environments. However, there's a discrepancy between the implementation and the description for the autopush and local environments, where the flag is disabled instead of enabled. Please update these configurations to match the intended behavior.

[nick-nlb]

LGTM