File _service of Package discord-canary

<services>
  <service name="download_url">
    <param name="host">dl-canary.discordapp.net</param>
    <param name="protocol">https</param>
    <param name="path">/apps/linux/0.0.489/discord-canary-0.0.489.tar.gz</param>
      </service>
</services>