message: Shorten personal token field in options for privacy
  Fixes
diff: @@ -27,6 +27,9 @@ textarea {
  input[type='checkbox'] {
  vertical-align: -0.16em;
  }
  +[name='personalToken'] {
  + width: 50%; /* https://github.com/sindresorhus/refined-github/issues/1374#issuecomment-397906701 */
  +}
  .small {
  font-size: 0.9em;
  }
  