basic setup (layout + icons)

flutter/lib/pages/message_list/message_list.dart

@@ -0,0 +1,19 @@
+import 'package:flutter/material.dart';
+
+class MessageListPage extends StatelessWidget {
+  final String title;
+
+  const MessageListPage({super.key, required this.title});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Center(
+        child: Text(
+          title,
+          style: const TextStyle(fontSize: 24),
+        ),
+      ),
+    );
+  }
+}