New review comment by MeganerdNL on void-packages repository

https://github.com/void-linux/void-packages/pull/45381#discussion_r1281415309

Comment:
> don't vendor this file, grab it from the builddir in post_install

I can do that, actually did it at first when creating this but then decided this (saw some other packages do it).

Is it ok to change (or add in) some values like _user/group_ in the example config via _vsed_  in the template to accommodate? I have the code here already.