git remote branch control

- remote branch : origin

- new branch name : temp

- push : git push origin temp

- delete : git push origin :temp

- spec : git push [remote name] [local branch name]:[remote branch name]

- 콜론 왼쪽을 비워놓으면, 빈 브랜치를 push 하겠다는 의미(삭제)