message: ledger: add to credits
diff: <h5 data-lang="credits_contribs">Contributors</h5>
  - <ul class="settings-contributors"></ul>
  + <ul class="settings-contributors">
  + <li>
  + <a href="https://github.com/no-boot-device" target="_blank">no-boot-device</a>
  + <small>That Old Replies Trick</small>
  + </li>
  + </ul>
  <h5 data-lang="credits_rsrc">Ressources used</h5>
  