Initialize Hive asynchoniously in order to improve app performance

lib/main.dart

@@ -2,18 +2,17 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'core/app_export.dart';
+import 'package:hive_flutter/hive_flutter.dart';
 
 var globalMessengerKey = GlobalKey<ScaffoldMessengerState>();
-void main() {
-  WidgetsFlutterBinding.ensureInitialized();
-  Future.wait([
-    SystemChrome.setPreferredOrientations([
-      DeviceOrientation.portraitUp,
-    ]),
-    PrefUtils().init()
-  ]).then((value) {
-    runApp(MyApp());
-  });
+void main() async {
+  var path = '/';
+  await Hive.initFlutter(path);
+  SystemChrome.setPreferredOrientations([
+    DeviceOrientation.portraitUp,
+  ]);
+  await PrefUtils().init();
+  runApp(MyApp());
 }
 
 class MyApp extends StatelessWidget {