File _service of Package combustion

<services>
  <service mode="manual" name="obs_scm">
    <param name="url">https://github.com/openSUSE/combustion.git</param>
    <param name="scm">git</param>
    <param name="changesgenerate">enable</param>
    <param name="versionformat">@PARENT_TAG@+git@TAG_OFFSET@</param>
    <param name="versionrewrite-pattern">v(.*?)(\+git0)?$</param>
  </service>
  <service mode="manual" name="set_version" />
  <service mode="buildtime" name="tar" />
  <service mode="buildtime" name="recompress">
    <param name="file">*.tar</param>
    <param name="compression">xz</param>
  </service>
</services>