Fix: base 엔티티에 필요한 설정 추가

Fix: base 엔티티에 필요한 설정 추가

Author: stoneTiger0912

src/main/java/flipnote/image/application/port/in/result/IssuePresignedUrlResult.java

@@ -1,6 +1,4 @@
 package flipnote.image.application.port.in.result;
 
-import java.net.URL;
-
 public record IssuePresignedUrlResult(Long imageRefId, String presignedUrl) {
 }

src/main/java/flipnote/image/infrastructure/config/AuditingConfig.java

@@ -0,0 +1,10 @@
+package flipnote.image.infrastructure.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
+
+@EnableJpaAuditing
+@Configuration
+public class AuditingConfig {
+
+}