Git repo should be smart enough to auto detect upstream branch

[abhimishra01]

References :-

• https://delicious-insights.com/en/posts/git-push-auto-setup-remote/
• https://stackoverflow.com/questions/6089294/why-do-i-need-to-do-set-upstream-all-the-time
• https://pawelgrzybek.com/auto-setup-remote-branch-and-never-again-see-an-error-about-the-missing-upstream/