File _service of Package SLES15-Migration-container

<services>
    <service name="obs_scm">
        <param name="url">https://github.com/SUSE/suse-migration-services.git</param>
        <param name="scm">git</param>
        <param name="subdir">container/sle15</param>
        <param name="extract">config.kiwi</param>
        <param name="extract">config.sh</param>
      	<param name="revision">master</param>
    </service>
</services>