make MyApp stateful so the linter fucking shuts up

lib/main.dart

@@ -22,13 +22,18 @@ final api = FeverAPI();
 
 void main() {
   setupBackgroundTasks();
-  runApp(MyApp());
+  runApp(const MyApp());
 }
 
-class MyApp extends StatelessWidget {
+class MyApp extends StatefulWidget {
-  SharedPreferences? prefs;
+  const MyApp({super.key});
 
-  MyApp({super.key});
+  @override
+  State<MyApp> createState() => _MyAppState();
+}
+
+class _MyAppState extends State<MyApp> {
+  SharedPreferences? prefs;
 
   Future<bool> _loadPrefs() async {
     var prefs = await SharedPreferences.getInstance();