Add the files we use for production deployments

We are using apache as reverse proxy and two systemd units
(puma & delayed job) for events.opensuse.org. Track them
also in this project, might be useful for others.

config/deploy.rb

@@ -38,6 +38,7 @@ task :deploy do
       in_path(fetch(:current_path)) do
         command %{mkdir -p tmp/}
         command %{touch tmp/restart.txt}
+        command %{sudo systemctl restart osem-dj}
       end
     end
   end