File _service of Package libzypp-plugin-appdata

<services>
  <service name="tar_scm" mode="manual">
    <param name="url">https://github.com/DimStar77/openSUSE-appstream.git</param>
    <param name="scm">git</param>
    <param name="changesgenerate">enable</param>
    <param name="versionformat">1.0.1+git.%cd</param>
  </service>
  <service name="recompress" mode="manual">
    <param name="file">*.tar</param>
    <param name="compression">xz</param>
  </service>
  <service name="set_version" mode="manual"/>
</services>