feat:增加朋友圈表单功能

lib/provider/food_provider.dart

@@ -10,6 +10,7 @@ import 'package:food_hub_app/utils/index.dart';
 
 class FoodProvider with ChangeNotifier {
   late FoodRecord recordFormItem;
+  late Moment momentFormItem;
 
   late bool isEditing;
   bool isLoading = false;
@@ -50,6 +51,16 @@ class FoodProvider with ChangeNotifier {
     notifyListeners();
   }
 
+  void resetMomentForm() {
+    momentFormItem = Moment.getEmpty();
+    notifyListeners();
+  }
+
+  void initMomentForm(Moment moment) {
+    momentFormItem = moment;
+    notifyListeners();
+  }
+
   Future<void> queryCategoryList() async {
     try {
       error = null;