Créer des représentations graphiques de dépôt git.

1. Rename your local branch
   git branch -m old-name new-name or simply git branch -m new-name for the current branch.
2. Delete the old-name remote branch and push the new-name local branch
   git push origin old-name new-name
3. Reset the upstream branch for the new-name local branch
   git push origin -u new-name