File _servicedata of Package libimmer

<servicedata>
  <service name="tar_scm">
    <param name="url">https://github.com/arximboldi/immer.git</param>
    <param name="changesrevision">160f0d7025321e5dc1fc3f0b7742ca7621d43981</param>
  </service>
</servicedata>