First pass at 500 error template
First pass at 500 error template

tadast/static,robinwhittleton/static,alphagov/static,robinwhittleton/static,robinwhittleton/static,tadast/static,kalleth/static,kalleth/static,tadast/static,robinwhittleton/static,kalleth/static,tadast/static,alphagov/static,alphagov/static,kalleth/static