[codex] Add OAuth scopes to docs (#127)

* add OAuth scopes to docs

* remove profile from OAuth scope docs

Author: basit3407

docs/user_related_apis_versioned/scopes.mdx

@@ -10,6 +10,13 @@ an access token. When requesting an accessing token, clients should also request
 interested in getting access to. If the APIs are user-related, the user will need to consent to
 granting access to the scopes your app is requesting first.
 
+## Standard OAuth2
+
+| Scope          | Description                    |
+| -------------- | ------------------------------ |
+| openid         | OpenID Connect authentication  |
+| offline_access | Allows obtaining refresh tokens |
+
 ## Content
 
 | Scope   | Description                                                                      |