formatted the whole codebase

lib/security/secure_storage.dart

@@ -3,32 +3,30 @@ import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 
 class SecureStorage {
   final FlutterSecureStorage _storage;
-  
-  SecureStorage(): _storage = const FlutterSecureStorage();
-  
+
+  SecureStorage() : _storage = const FlutterSecureStorage();
+
   Future<void> write(String key, dynamic value) async {
-    final stringValue = value is String 
-        ? value 
-        : json.encode(value);
+    final stringValue = value is String ? value : json.encode(value);
     await _storage.write(key: key, value: stringValue);
   }
-  
+
   Future<dynamic> read(String key) async {
     final value = await _storage.read(key: key);
     if (value == null) return null;
-    
+
     try {
       return json.decode(value);
     } catch (_) {
       return value;
     }
   }
-  
+
   Future<void> delete(String key) async {
     await _storage.delete(key: key);
   }
-  
+
   Future<void> deleteAll() async {
     await _storage.deleteAll();
   }
-}
+}