chore: update LICENSE

example/lib/main.dart

@@ -0,0 +1,44 @@
+import 'package:example/home_page.dart';
+import 'package:flutter/material.dart';
+
+import 'package:flutter_localizations/flutter_localizations.dart';
+
+import 'package:appflowy_editor/appflowy_editor.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return const MaterialApp(
+      localizationsDelegates: [
+        GlobalMaterialLocalizations.delegate,
+        GlobalCupertinoLocalizations.delegate,
+        GlobalWidgetsLocalizations.delegate,
+        AppFlowyEditorLocalizations.delegate,
+      ],
+      supportedLocales: [Locale('en', 'US')],
+      debugShowCheckedModeBanner: false,
+      home: MyHomePage(title: 'AppFlowyEditor Example'),
+    );
+  }
+}
+
+class MyHomePage extends StatefulWidget {
+  const MyHomePage({Key? key, required this.title}) : super(key: key);
+  final String title;
+
+  @override
+  State<MyHomePage> createState() => _MyHomePageState();
+}
+
+class _MyHomePageState extends State<MyHomePage> {
+  @override
+  Widget build(BuildContext context) {
+    return const HomePage();
+  }
+}