If you want to create a fork and use an external account (Github, Google) drop us a message at the Gajim support [group chat](xmpp:gajim@conference.gajim.org?join) so we can give you the necessary rights
If you are not familiar with Git please read the [HowTo](https://dev.gajim.org/gajim/gajim/wikis/development/howtogit)A good article regarding [good commit messages](https://chris.beams.io/posts/git-commit/)