File _servicedata of Package steamtricks-data

<servicedata>
  <service name="tar_scm">
    <param name="url">https://github.com/steamtricks/steamtricks-data.git</param>
    <param name="changesrevision">f77bb8e3e5060d57002a03d4bd8c2c44f2b65125</param>
  </service>
</servicedata>