feat:增加用户信息编辑功能

lib/models/recipe.dart

@@ -126,7 +126,6 @@ class Recipe {
   bool isShare;
   int userId;
   String username;
-  String avatar;
   List<RecipeMaterial> materialList;
   List<RecipeStep> stepList;
   List<FoodRecord> recordList;
@@ -143,7 +142,6 @@ class Recipe {
     required this.isShare,
     required this.userId,
     required this.username,
-    required this.avatar,
     required this.materialList,
     required this.stepList,
     required this.recordList,
@@ -166,7 +164,6 @@ class Recipe {
       isShare: true,
       userId: 0,
       username: '',
-      avatar: '',
       materialList: [],
       stepList: [],
       recordList: [],