feat: add pin lock / fix performance on history view

lib/main.dart

@@ -2,11 +2,14 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:intl/date_symbol_data_local.dart';
 import 'package:intl/intl.dart';
+import 'package:kooltab2/services/pin_lock_service.dart';
 import 'package:kooltab2/viewmodels/history_view_model.dart';
+import 'package:kooltab2/viewmodels/pin_lock_view_model.dart';
 import 'package:provider/provider.dart';
 
 import 'app/app.dart';
 import 'app/app_bootstrap.dart';
+import 'app/router.dart';
 import 'database/app_database.dart';
 import 'services/bar_tab_service.dart';
 import 'services/product_service.dart';
@@ -16,16 +19,19 @@ import 'viewmodels/product_list_view_model.dart';
 Future<void> main() async {
   WidgetsFlutterBinding.ensureInitialized();
 
-
   await initializeDateFormatting('nl_BE', null);
   Intl.defaultLocale = 'nl_BE';
 
-
   await SystemChrome.setPreferredOrientations([
     DeviceOrientation.landscapeLeft,
     DeviceOrientation.landscapeRight,
   ]);
 
+  final pinLockViewModel = PinLockViewModel(pinLockService: PinLockService());
+  await pinLockViewModel.ensureLoaded();
+
+  final appRouter = createAppRouter(pinLockViewModel);
+
   runApp(
     MultiProvider(
       providers: [
@@ -54,11 +60,15 @@ Future<void> main() async {
           ),
         ),
         ChangeNotifierProvider<HistoryViewModel>(
-          create: (context) => HistoryViewModel(barTabService: context.read<BarTabService>()),
-        )
+          create: (context) =>
+              HistoryViewModel(barTabService: context.read<BarTabService>()),
+        ),
+        ChangeNotifierProvider<PinLockViewModel>.value(
+          value: pinLockViewModel,
+        ),
       ],
-      child: const AppBootstrap(
-        child: KoolTabApp(),
+      child: AppBootstrap(
+        child: KoolTabApp(router: appRouter),
       ),
     ),
   );