TF-1068 implement clean up save recent & get all login username

lib/features/cleanup/domain/model/recent_login_username_cleanup_rule.dart

@@ -0,0 +1,10 @@
+import 'package:tmail_ui_user/features/cleanup/domain/model/cleanup_rule.dart';
+
+class RecentLoginUsernameCleanupRule extends CleanupRule {
+  final int storageLimit;
+
+  RecentLoginUsernameCleanupRule({this.storageLimit = 10}) : super();
+
+  @override
+  List<Object?> get props => [storageLimit];
+}