❇️ feat: NotificationResponseDTO 생성

NotificationResponseDTO 생성

src/main/java/foregg/foreggserver/dto/notificationDTO/NotificationResponseDTO.java

@@ -0,0 +1,21 @@
+package foregg.foreggserver.dto.notificationDTO;
+
+import foregg.foreggserver.domain.enums.NotificationType;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class NotificationResponseDTO {
+
+    private Long id;
+    private NotificationType notificationType;
+    private String sender;
+    private String createdAt;
+    private String elapsedTime;
+
+}