Tutorial: adding auto mapping of forgejo groups

Create a role on the Keycloak client:

Go into the group in question and map it the role you just made:

Add a json snippet to map the role in the incoming tokens to the appropriate team on the org:

{"the-distro-committer": {"the-distro": ["committers"]}, "the-distro-org-owner": {"the-distro": ["owners"]}}