[#1#2#3] DB모델 객체 및 로그인 ,회원가입 구현

added feat refactor labels

assigned to @sehyunlim

approved this merge request

added 3 commits

• b3a1a50e...8249a4ef - 2 commits from branch master
• 36572dd6 - Merge branch 'master' into 'develop'

Compare with previous version

merged

mentioned in commit 5038b962