feat: 收藏夹新建/编辑

lib/pages/fav_detail/controller.dart

@@ -115,4 +115,17 @@ class FavDetailController extends GetxController {
       },
     );
   }
+
+  onEditFavFolder() async {
+    Get.toNamed(
+      '/favEdit',
+      arguments: {
+        'mediaId': mediaId.toString(),
+        'title': item!.title,
+        'intro': item!.intro,
+        'cover': item!.cover,
+        'privacy': item!.attr,
+      },
+    );
+  }
 }

lib/pages/fav_detail/view.dart

@@ -106,6 +106,11 @@ class _FavDetailPageState extends State<FavDetailPage> {
                 position: PopupMenuPosition.under,
                 onSelected: (String type) {},
                 itemBuilder: (BuildContext context) => <PopupMenuEntry<String>>[
+                  PopupMenuItem<String>(
+                    onTap: () => _favDetailController.onEditFavFolder(),
+                    value: 'edit',
+                    child: const Text('编辑收藏夹'),
+                  ),
                   PopupMenuItem<String>(
                     onTap: () => _favDetailController.onDelFavFolder(),
                     value: 'pause',