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/v0.9.5.tar.gz</param>
  </service>
  <service name="verify_file">
    <param name="file">_service:download_url:v0.9.5.tar.gz</param>
    <param name="verifier">sha256</param>
    <param name="checksum">a8c9c84f27d1ada1ce9d3da6ad4d6f361edc79f8e348c2206d19c3af4203a770</param>
  </service>
</services>