added frontend

hartmann-foto-documentation-frontend/lib/pages/landing_page_widget.dart

@@ -0,0 +1,23 @@
+import 'package:flutter/material.dart';
+
+class LandingPageWidget extends StatefulWidget {
+  final Widget child;
+  const LandingPageWidget({super.key, required this.child});
+
+  @override
+  State<LandingPageWidget> createState() => _LandingPageWidgetState();
+}
+
+class _LandingPageWidgetState extends State<LandingPageWidget> {
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: widget.child,
+    );
+  }
+}