pref(flutter_weui):switch->wswitch

Author: 2534290808

lib/flutter_weui.dart

@@ -6,7 +6,7 @@ export 'toast.dart';
 export 'action_sheet.dart';
 export 'picker.dart';
 export 'slider.dart';
-export 'switch.dart';
+export 'wswitch.dart';
 export 'weui_icon.dart';
 export 'load_more.dart';
 export 'dialog.dart';