Dominando o Git
https://www.youtube.com/playlist?list=PL9aKtVrF05DzbNiE7jcm7s6z6Lg-u72Rq (opens in a new tab)

angular/CONTRIBUTING.md
github.com/angular/angular/blob/main/CONTRIBUTING.md#-commit-message-format

Semantic Commit Messages
https://gist.github.com/joshbuchea/6f47e86d2510bce28f8e7f42ae84c716 (opens in a new tab)

Como contribuir com um projeto open source no github
https://clairtonluz.github.io/blog/2014/06/2014061099.html (opens in a new tab)