chore: 프로젝트 초기 세팅 추가 (Orval, commitlint, Gemini Code Assist, CodeRabbit)#2

tnemnorivnelee wants to merge 5 commits intomaindnd-side-project/dnd-14th-9-frontend:mainfrom

chore/#1-project-setupdnd-side-project/dnd-14th-9-frontend:chore/#1-project-setupCopy head branch name to clipboard