Collaboration
Reference Site
- https://help.github.com/articles/fork-a-repo/
- https://help.github.com/articles/syncing-a-fork/
- https://help.github.com/articles/using-pull-requests/
- https://gun.io/blog/how-to-github-fork-branch-and-pull-request/
- https://www.atlassian.com/git/articles/git-team-workflows-merge-or-rebase/
- http://jamescooke.info/git-to-squash-or-not-to-squash.html