feat: photo_date_screen.dart 파일 추가 (#56)

* feat: photo_date_screen.dart 파일 추가

Author: surfwithus

frontend/ongi/lib/screens/photo/photo_date_screen.dart

@@ -0,0 +1,22 @@
+import 'package:flutter/material.dart';
+import 'package:ongi/core/app_light_background.dart';
+import 'package:ongi/core/app_colors.dart';
+
+class PhotoDateScreen extends StatefulWidget {
+  const PhotoDateScreen({super.key});
+
+  @override
+  State<PhotoDateScreen> createState() => _PhotoDateScreenState();
+}
+
+class _PhotoDateScreenState extends State<PhotoDateScreen> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: Colors.transparent,
+      body: AppLightBackground(
+        child: Padding(padding: const EdgeInsets.all(24)),
+      ),
+    );
+  }
+}