add bnn_upload plugin that overrides some controller methods to use order_bnn

plugins/bnn_upload/app/overrides/models/order_override.rb

@@ -0,0 +1,8 @@
+Order.class_eval do
+  def send_to_supplier!(user, options = {})
+    Mailer.deliver_now_with_default_locale do
+      Mailer.order_result_supplier(user, self, options)
+    end
+    update!(last_sent_mail: Time.now)
+  end
+end