feat:增加dio网络请求

lib/api/recipe.dart

@@ -0,0 +1,16 @@
+import 'package:food_hub_app/models/recipe.dart';
+import 'package:food_hub_app/utils/http_util.dart';
+
+Future<Recipe> queryRecipeByIdApi(int id) {
+  return HttpUtil().get<Recipe>(
+    "/food/recipe/$id",
+    converter: (data) => Recipe.fromJson(data),
+  );
+}
+
+Future<List<Recipe>> queryRecipeByUserApi(int id) {
+  return HttpUtil().get<List<Recipe>>(
+    "/food/recipe/user/$id",
+    converter: (data) => data.map((item) => Recipe.fromJson(item)).toList()
+  );
+}