add env0 integration & organization files (open-policy-agent#6658)

Signed-off-by: yarivg <yarivgavriel2@gmail.com>

docs/website/content/integrations/env0.md

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+---
+title: env0
+labels:
+  category: Infrastructure as Code
+  layer: Automation and collaboration
+software:
+- terraform
+- pulumi
+- cloudformation
+- kubernetes
+- ansible
+- aws
+- gcp
+- azure
+inventors:
+- env0
+tutorials:
+- https://docs.env0.com/docs/opa-plugin
+- https://docs.env0.com/docs/policies
+code:
+- https://github.com/env0/approval-policies
+blogs:
+- https://www.env0.com/blog/opa-tutorial-leveraging-env0-for-advanced-cloud-policy-management
+- https://www.env0.com/blog/open-policy-agent
+---
+env0 is the best way to deploy and manage IaC - Terraform, OpenTofu, CloudFormation, Pulumi, Kubernetes, and more. Our platform integrates with OPA to allow its users to streamline cloud governance, automate policy enforcement, and maintain control over cloud deployments while enabling managed self-service.
+

docs/website/content/organizations/env0.md

@@ -0,0 +1,4 @@
+---
+link: https://www.env0.com
+title: env0
+---