git clone --branch develop --single-branch <https://github.com/Sprint-Basic-Project/nb05-seven-dynamic6.git>
git clone --branch develop --single-branch <https://github.com/Sprint-Basic-Project/nb05-seven-dynamic6.git
git checkout -b 본인이름/기능명
git checkout -b 김주호/채팅기능
npm install
git push --set-upstream origin 본인이름/기능명 → PR 올리기
git push --set-upstream origin 본인이름/기능명