File _service of Package nextcloud

<services>
  <service name="download_src_package">
    <param name="host">download.opensuse.org</param>
    <param name="protocol">https</param>
    <param name="path">/ports/zsystems/source/tumbleweed/repo/oss/src/nextcloud-21.0.2-1.1.src.rpm</param>
  </service>
</services>