Add doc for the Gitea importer
This adds documentation for !8116 (merged). It's mostly a copy/paste of the GitHub import documentation without the OAuth parts since Gitea is not yet an OAuth provider.
Part of #22348 (closed).
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This adds documentation for !8116 (merged). It's mostly a copy/paste of the GitHub import documentation without the OAuth parts since Gitea is not yet an OAuth provider.
Part of #22348 (closed).