File _service of Package at-spi2-core

<services>
  <service name="tar_scm">
    <param name="url">https://github.com/eweOS/packages.git</param>
    <param name="revision">at-spi2-core</param>
    <param name="scm">git</param>
    <param name="extract">*</param>
  </service>
</services>