New comment by meator on void-packages repository

https://github.com/void-linux/void-packages/pull/48854#issuecomment-1956078277

Comment:
> I wouldn't guard it. I would just have a note in the `README.voidlinux` that the two conflict and should not be run at the same time.

@abenson I don't think many people read or know about the `README.voidlinux` specific documentation. Having a safeguard, although a not "100%" one, could be useful. What do you think?