File _servicedata of Package libzypp-plugin-appdata

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/DimStar77/openSUSE-appstream.git</param>
              <param name="changesrevision">8708ff5b3330e28eefb228a78d719871ff5bd6da</param></service></servicedata>