Merge pull request #13920 from imleozzito/master

feat: allow auth0 provider to specify connection/connection_scope config

docs/auth/auth0/provider.md

@@ -35,6 +35,8 @@ auth:
         clientSecret: ${AUTH_AUTH0_CLIENT_SECRET}
         domain: ${AUTH_AUTH0_DOMAIN_ID}
         audience: ${AUTH_AUTH0_AUDIENCE}
+        connection: ${AUTH_AUTH0_CONNECTION}
+        connectionScope: ${AUTH_AUTH0_CONNECTION_SCOPE}
 ```
 
 The Auth0 provider is a structure with three configuration keys:
@@ -44,6 +46,12 @@ The Auth0 provider is a structure with three configuration keys:
   page
 - `domain`: The Application domain, found on the Auth0 Application page
 
+## Optional Configuration
+
+- `audience`: The intended recipients of the token
+- `connection`: Social identity provider name. To check the available social connections, please visit [Auth0 Social Connections](https://marketplace.auth0.com/features/social-connections).
+- `connectionScope`: Additional scopes in the interactive token request. It should always be used in combination with the `connection` parameter
+
 ## Adding the provider to the Backstage frontend
 
 To add the provider to the frontend, add the `auth0AuthApi` reference and