ssh-keygen shortcut
ssh-keygen -t ed25519 -C "qhqhahah@naver.com"
eval "$(ssh-agent -s)"
ssh-add
>>> Identity added: ~/.ssh/id_rsa (qhqhahah@naver.com)
cat ~/.ssh/id_rsa.pub
git config --global user.email "qhqhahah@naver.com"
git config --global user.name "PARKCHEOLHEE-lab"