Render a "delete" JSON response with the UUID of the deleted item.

lib/generic_rest_server_web/controllers/item_json.ex

@@ -15,6 +15,10 @@ defmodule GenericRestServerWeb.ItemJSON do
     %{item: data(item)}
   end
 
+  def delete(%{item: item}) do
+    %{deleted: item.id}
+  end
+
   defp data(%Item{} = item) do
     %{
       id: item.id,