[에러] git push

문제: git에 새로운 repository에 push하는데 에러 발생

hint: Updates were rejected because the tip of your current branch is behind
hint: its remote counterpart. Integrate the remote changes (e.g.
hint: 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.

해경방안: 강제로 push 진행
$ git push -u origin +master

참고
https://doozi316.github.io/errorlog/2019/09/30/error1/