first commit

lib/core/components/custom_screen_manager.dart

@@ -0,0 +1,22 @@
+import 'package:flutter/material.dart';
+
+class CustomScreenManager extends StatelessWidget {
+  final Widget mobile;
+  final Widget desktop;
+
+  const CustomScreenManager({
+    super.key,
+    required this.mobile,
+    required this.desktop,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final screenWidth = MediaQuery.of(context).size.width;
+    if (screenWidth < 1200) {
+      return mobile;
+    } else {
+      return desktop;
+    }
+  }
+}