give some love to the waiter app

app/serializers/waiter/product_serializer.rb

@@ -0,0 +1,14 @@
+class Waiter::ProductSerializer
+  include Qwaiter::WaiterBaseSerializer
+  attributes :name, :price, :description, :code, :position, :visible, :active
+  attribute :image do
+    if object.image.present?
+      {small: object.image.url(:small)}
+    else
+      {small: object.image.url}
+    end
+  end
+
+  has_many :product_variants, serializer: Waiter::ProductVariantSerializer
+  has_one :product_category, serializer: Waiter::ProductCategorySerializer
+end