File _service of Package python-gamera

<services>
  <service name="download_url">
    <param name="host">github.com/hsnr-gamera</param>
    <param name="protocol">https</param>
    <param name="path">/gamera/releases/download/3.4.3/gamera-3.4.3.tar.gz</param>
  </service>
</services>