message: fix(document): create title from status code in error template
  Apparently, HTTP/2 no longer has status code text.
diff: @@ -3,11 +3,20 @@ import { sample } from '../../../utils';
  export default (response: Response) => (
  <main class="Error full-screen">
  <div>{ sample(appropriateEmoji) }</div>
  - <h1>{ response.statusText }</h1>
  + <h1>{ getHelpfulTitle(response) }</h1>
  <p>{ getHelpfulMessage(response) }</p>
  </main>
  );
  +const getHelpfulTitle = (response: Response) => {
  + switch (response.status) {
  + case 404:
  + return 'Not Found';
  + default:
  + return 'Uh Oh';
  + }
  +};
  +
  const getHelpfulMessage = (response: Response) => {
  switch (response.status) {
  case 404:
  