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🚀 어떤 기능을 개발했나요?
친구 맺기 기능을 추가했습니다.
🕶️ 어떻게 해결했나요?
🦀 이슈 넘버
(option) 어떤 부분에 집중하여 리뷰해야 할까요?
User 도메인에 친구필드를 id로 추가했는데, 현재 역정규화 하는거보다 id로 들고있는게 더 좋을거 같아서 이렇게 구성했습니다. 나중에 Friend에 대한 정보를 더 들고있어야할때 추가 하면 좋을거 같아요.