Update storage_keys.dart

Signed-off-by: fulleni <fulleni@hotmail.com>

Author: fulleni

lib/src/storage_keys.dart

@@ -9,9 +9,8 @@ import 'package:ht_kv_storage_service/src/ht_kv_storage_service.dart';
 /// getter to access the underlying string representation for storage.
 /// {@endtemplate}
 enum StorageKey {
-  /// Key for storing the email address used during a passwordless sign-in
-  /// process.
-  pendingSignInEmail,
+  /// Key for storing the authentication token needed for interraction with tha backend API.
+  authToken,
 
   /// Key for storing a boolean flag indicating whether the user has completed
   /// the onboarding flow.