File _servicedata of Package tumbleweed-snapshot

<servicedata>
  <service name="tar_scm">
    <param name="url">https://github.com/boombatower/tumbleweed-snapshot.git</param>
    <param name="changesrevision">445902ce2708134952aebaa4b42cc9d8796d2ddb</param>
  </service>
</servicedata>