File _service of Package mint-themes

<services>
  <service name="download_url" mode="manual">
    <param name="host">packages.linuxmint.com</param>
    <param name="protocol">http</param>
    <param name="path">/pool/main/m/mint-themes/mint-themes_2.2.3.tar.xz</param>
  </service>
</services>