backup. before shop update

lib/models/product_image.dart

@@ -0,0 +1,20 @@
+import 'dart:convert';
+
+class ProductImage {
+  int id;
+  String image;
+
+  ProductImage.fromJson(Map<String, dynamic> json)
+    : id = json['id'],
+      image = json['image'];
+
+  Map<String, dynamic> toJson() => {
+    'id': id,
+    'image': image
+  };
+
+  @override
+  String toString() {
+    return json.encode(this);
+  }
+}