message: Fix pathname for riot.im redirects
  Need to redirect to root on x.element.io
diff: @@ -40,10 +40,13 @@ function getRedirectUrl(url): string {
  } else if (url.hostname === 'riot.im') {
  if (url.pathname.startsWith('/app')) {
  redirectUrl.hostname = 'app.element.io';
  + redirectUrl.pathname = '/';
  } else if (url.pathname.startsWith('/staging')) {
  redirectUrl.hostname = 'staging.element.io';
  + redirectUrl.pathname = '/';
  } else if (url.pathname.startsWith('/develop')) {
  redirectUrl.hostname = 'develop.element.io';
  + redirectUrl.pathname = '/';
  }
  return redirectUrl.href;
  