File _service of Package rsgain

<services>
  <service name="download_url">
    <param name="host">github.com</param>
    <param name="protocol">https</param>
    <param name="path">/complexlogic/rsgain/releases/download/v3.6/rsgain-3.6-source.tar.xz</param>
  </service>
</services>