File _service of Package nix-mount

<services>
    <service name="obs_scm">
        <param name="scm">git</param>
        <param name="url">https://github.com/loichyan/packages</param>
        <param name="revision">main</param>
        <param name="subdir">nix-mount</param>
        <param name="filename">nix-mount-git</param>
        <param name="versionformat">%h</param>
        <param name="extract">*.spec</param>
    </service>
    <service name="download_assets"></service>
</services>