New comment by mobinmob on void-packages repository

https://github.com/void-linux/void-packages/pull/43583#issuecomment-1616088380

Comment:
> I tested that config for mdev a while ago, but dropping it or including as vdoc seems also fine.
> Note that without a config it is rather useless.

I think that mdevd has a pretty clear log message for a missing configuration file, so I hope a sample config under the usual place for documentation will be helpful.