File _service of Package particleos

<services>
  <service name="obs_scm">
    <param name="scm">git</param>
    <param name="url">https://github.com/uv-linux/particleos.git</param>
    <param name="revision">main</param>
    <param name="without-version">1</param>
    <param name="extract">mkosi.conf.d/20-fedora/mkosi.conf</param>
  </service>
</services>