Merge pull request #9284 from marmelab/doc-google-auth

[Doc] Add link to ra-auth-google, authProvider for Google Identity

Author: slax57

docs/AuthProviderList.md

@@ -14,6 +14,7 @@ It's very common that your auth logic is so specific that you'll need to write y
 - **[Casdoor](https://casdoor.com/)**: [NMB-Lab/reactadmin-casdoor-authprovider](https://github.com/NMB-Lab/reactadmin-casdoor-authprovider)
 - **[Directus](https://directus.io/)**: [marmelab/ra-directus](https://github.com/marmelab/ra-directus)
 - **[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)
+- **[Google Identity & Google Workspace](https://developers.google.com/identity/gsi/web/guides/overview)**: [marmelab/ra-auth-google](https://github.com/marmelab/ra-auth-google/blob/main/packages/ra-auth-google/Readme.md)
 - **[Keycloak](https://www.keycloak.org/)**: [marmelab/ra-keycloak](https://github.com/marmelab/ra-keycloak)
 - **[Postgrest](https://postgrest.org/)**: [raphiniert-com/ra-data-postgrest](https://github.com/raphiniert-com/ra-data-postgrest)
 - **[Supabase](https://supabase.io/)**: [marmelab/ra-supabase](https://github.com/marmelab/ra-supabase)