create method
void
create()
Implementation
void create() {
var mainContent = '''
/// The main entry point of the application.
///
/// This file is responsible for starting the application and running the `GameApp` widget.
import 'package:flutter/material.dart';
import 'src/widgets/game_app.dart';
void main() {
runApp(const GameApp());
}
''';
var mainFile = File('$name/lib/main.dart');
mainFile.writeAsStringSync(mainContent);
}