참고 자료
https://inpa.tistory.com/entry/GIT-⚡️-github-flow-git-flow-📈-브랜치-전략
https://velog.io/@kw2577/Git-branch-전략
https://velog.io/@dlsrnjs125/게시판-서비스-깃-브랜치-전략-세우기