[링크] .gitignore 규칙/문법 정리
https://donggov.tistory.com/30 https://ktko.tistory.com/entry/gitignore%EB%A5%BC-%EC%82%AC%EC%9A%A9%ED%95%98%EC%97%AC-%EA%B9%94%EB%81%94%ED%95%98%EA%B2%8C-git-Commit-%ED%95%B4%EB%B3%B4%EA%B8%B0 https://www.atlassian.com/git/tutorials/saving-changes/gitignore