git notes | Hugonweb Annotated Link Bibliography

You can add notes to commits, branches, and all kinds of things in git. The only problem is they aren't easy to view on anything except commits via git log. GitHub doesn't show them at all, but I think Forgejo/codeberg.org does show them and let you add/edit them (see PR4753 and PR6025).

stack overflow: how to push git notes to a central server:

git push origin 'refs/notes/*'

and

git fetch origin 'refs/notes/*:refs/notes/*'

See also the git website doc on git notes