article nexinpact.
Exemples simples https://www.armandphilippot.com/article/premiere-pull-request-github https://www.frayssinet.org/2021/06/25/tuto-debutant-faire-une-pull-request-sur-github-avec-git/
Doc: https://docs.github.com/fr/get-started/quickstart/contributing-to-projects