File _servicedata of Package zed

<servicedata>
  <service name="tar_scm">
    <param name="url">https://github.com/zed-industries/zed.git</param>
    <param name="changesrevision">c769a9c8c6082f00d984bfa8b3fbc0f653cf0878</param>
  </service>
</servicedata>