update form main dart file

MainAppDMT/lib/screens/Form/main.dart

+import 'package:flutter/material.dart';
+
+import 'multi_form.dart';
+
+void main() => runApp(MyApp());
+
+class MyApp extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Forms',
+      theme: ThemeData(
+        primarySwatch: Colors.blue,
+        accentColor: Color(0xFF1DCC8C),
+        platform: TargetPlatform.iOS,
+      ),
+      debugShowCheckedModeBanner: false,
+      home: MultiForm(),
+    );
+  }
+}