회원가입

Request Body

{
	"email": "gongong@gmail.com",
	"nickname": "공공",
	"password": "test1234!"
}

Response Body

{
	"message": "회원가입 성공",
	"status": 201,
	"data": {
		"userId": 1,
		"nickname": "미스터공공",
		"email": "gitul0515@gmail.com",
	}
}