File _service of Package librdkafka

<services>
  <service name="download_url">
    <param name="protocol">https</param>
    <param name="host">github.com</param>
    <param name="path">edenhill/librdkafka/archive/v1.2.2.tar.gz</param>
    <param name="filename">librdkafka-1.2.2.tar.gz</param>
  </service>
</services>