add bar hide type

Signed-off-by: dom <githubaccount56556@proton.me>

lib/models/common/bar_hide_type.dart

@@ -0,0 +1,11 @@
+import 'package:PiliPlus/models/common/enum_with_label.dart';
+
+enum BarHideType with EnumWithLabel {
+  instant('即时'),
+  sync('同步')
+  ;
+
+  @override
+  final String label;
+  const BarHideType(this.label);
+}