WIP: Restructing auth api and service

Signed-off-by: Asai Neko <sugar@sne.moe>

service/service_user/service.go

@@ -0,0 +1,15 @@
+package service_user
+
+type UserService interface {
+	GetUserInfo(*UserInfoPayload) *UserInfoResult
+	UpdateUserInfo(*UserInfoPayload) *UserInfoResult
+	ListUsers(*UserListPayload) *UserListResult
+	GetUserFullTable(*UserTablePayload) *UserTableResult
+	CreateUser()
+}
+
+type UserServiceImpl struct{}
+
+func NewUserService() UserService {
+	return &UserServiceImpl{}
+}