API v1 order_articles endpoints

app/serializers/article_serializer.rb

@@ -0,0 +1,9 @@
+class ArticleSerializer < ActiveModel::Serializer
+  attributes :id, :name
+  attributes :supplier_id, :supplier_name
+  attributes :unit, :unit_quantity, :note, :manufacturer, :origin, :article_category_id
+
+  def supplier_name
+    object.supplier.try(:name)
+  end
+end