File _service of Package polychromatic

<services>
  <service name="download_url">
    <param name="protocol">https</param>
    <param name="host">github.com</param>
    <param name="path">/polychromatic/polychromatic/archive/v0.9.6.tar.gz</param>
  </service>
  <service name="verify_file">
    <param name="file">_service:download_url:v0.9.6.tar.gz</param>
    <param name="verifier">sha256</param>
    <param name="checksum">9bf81fcf6f75a97f2437549e0dbc59c64cc9e5b7a74af48c8a1beb777705a908</param>
  </service>
</services>