Merge pull request #8263 from marmelab/doc-keycloak

[Doc] add ra-keycloak authProvider

Author: WiXSL

docs/AuthProviderList.md

@@ -10,7 +10,8 @@ It's very common that your auth logic is so specific that you'll need to write y
 - **[AWS Amplify](https://docs.amplify.aws)**: [MrHertal/react-admin-amplify](https://github.com/MrHertal/react-admin-amplify)
 - **[AWS Cognito](https://docs.aws.amazon.com/cognito/latest/developerguide/setting-up-the-javascript-sdk.html)**: [thedistance/ra-cognito](https://github.com/thedistance/ra-cognito)
 - **[Firebase Auth (Google, Facebook, GitHub, etc.)](https://firebase.google.com/docs/auth/web/firebaseui)**: [benwinding/react-admin-firebase](https://github.com/benwinding/react-admin-firebase#auth-provider)
-- **[Supabase](https://supabase.io/)**: [marmelab/ra-supabase](https://github.com/marmelab/ra-supabase).
+- **[Supabase](https://supabase.io/)**: [marmelab/ra-supabase](https://github.com/marmelab/ra-supabase)
+- **[Keycloak](https://www.keycloak.org/)**: [marmelab/ra-keycloak](https://github.com/marmelab/ra-keycloak)
 
 Beyond ready-to-use providers, you may find help in these third-party tutorials about integrating more authentication backends: