feature request: Groups claim

[Klucherev]

What problem did you meet?

I need groups claim in Id token, how can i achieve that?

Describe what you'd like Logto to have

I have web application that uses OIDC authentication and authorization. But it uses claim name groups instead of roles. Custom JWT does not support it

[darcyYe]

No sure what groups claim is, would be good if you can provide more context or example.