Refactored json storage

lib/app.dart

@@ -3,7 +3,9 @@ import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:tunas/clients/storage/storage_client.dart';
 import 'package:tunas/pages/home/home_page.dart';
-import 'package:tunas/repositories/account/account_repository.dart';
+import 'package:tunas/repositories/json/json_repository.dart';
+import 'package:tunas/repositories/metadata/metadata_repository.dart';
+import 'package:tunas/repositories/transactions/transactions_repository.dart';
 import 'package:tunas/theme.dart';
 
 class App extends StatefulWidget {
@@ -29,20 +31,31 @@ class AppView extends StatefulWidget {
 
 class _AppViewState extends State<AppView> {
   late final StorageClient _storageClient;
-  late final AccountRepository _accountRepository;
+  late final JsonRepository _jsonRepository;
+  late final TransactionsRepository _transactionsRepository;
+  late final MetadataRepository _metadataRepository;
 
   @override
   void initState() {
     super.initState();
 
     _storageClient = StorageClient();
-    _accountRepository = AccountRepository(storageClient: _storageClient);
+    _jsonRepository = JsonRepository(storageClient: _storageClient);
+    _transactionsRepository = TransactionsRepository(jsonRepository: _jsonRepository);
+    _metadataRepository = MetadataRepository(jsonRepository: _jsonRepository);
+    
+    _transactionsRepository.loadTransactions();
+    _metadataRepository.loadMetadata();
   }
 
   @override
   Widget build(BuildContext context) {
     return MultiRepositoryProvider(
-      providers: [RepositoryProvider.value(value: _accountRepository)],
+      providers: [
+        RepositoryProvider.value(value: _jsonRepository),
+        RepositoryProvider.value(value: _transactionsRepository),
+        RepositoryProvider.value(value: _metadataRepository),
+      ],
       child: MaterialApp(
         title: 'Tunas',
         theme: ThemeData(useMaterial3: true, colorScheme: lightColorScheme),