chore: UserFacade에 signUp 메서드에 @transactional 어노테이션 추가

Author: rnqhstmd

apps/commerce-api/src/main/java/com/loopers/application/user/UserFacade.java

@@ -7,6 +7,7 @@
 import com.loopers.domain.user.UserService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
 
 @Component
 @RequiredArgsConstructor
@@ -15,6 +16,7 @@ public class UserFacade {
 	private final UserService userService;
     private final PointFacade pointFacade;
 
+    @Transactional
     public UserInfo signUp(String userId, String email, String birthDate, Gender gender) {
         User user = userService.signUp(userId, email, birthDate, gender);
         pointFacade.createPointForUser(userId);