File _service of Package firefox-nightly

<services>
  <service name="download_url">
    <param name="host">download.mozilla.org</param>
    <param name="protocol">https</param>
    <param name="path">/?product=firefox-nightly-latest&amp;os=linux64&amp;lang=en-US</param>
    <param name="filename">firefox-nightly-latest.tar.bz2</param>
  </service>
</services>