[변경 후]

[변경 전]

user table ✅

• user_id: Int
• email: String
• profile: String?(image uri)
• groups: List<group_id>
• notifications: List<Int>

group table ✅

• group_id: Int,
• name: String,
• group_profile : String?(jimage url)
• description: String
• maxMemberNum: Int
• curMemberNum: Int
• id: String(email / id)
• members: List<email / id>
• categories: List<category_Id>