Add image to product

app/serializers/product_serializer.rb

@@ -1,4 +1,12 @@
 class ProductSerializer < Qwaiter::Serializer
   embed :ids, include: true
-  attributes :name, :price, :description
+  attributes :name, :price, :description, :image
+
+  def image
+    if object.image.present?
+      {small: object.image.url(:small)}
+    else
+      nil
+    end
+  end
 end