chores: refactor struct and structure project

internal/accessor/user_repository/create_user.go

@@ -1,13 +1,13 @@
 package userrepository
 
 import (
-	authdomain "legalgo-BE-go/internal/domain/auth"
+	userdomain "legalgo-BE-go/internal/domain/user"
 )
 
-func (ur *UserRepository) CreateUser(spec *authdomain.User) (*authdomain.User, error) {
+func (ur *UserRepository) CreateUser(spec userdomain.User) error {
 	if err := ur.DB.Create(&spec).Error; err != nil {
-		return nil, err
+		return err
 	}
 
-	return spec, nil
+	return nil
 }