File _service of Package admin-tools

<services>
  <service name="appimage"/>
  <service name="download_url">
    <param name="protocol">https</param>
    <param name="host">github.com</param>
    <param name="path">AppImage/AppImageUpdate/releases/download/continuous/appimageupdatetool-x86_64.AppImage</param>
  </service>
</services>