New comment by Duncaen on void-packages repository

https://github.com/void-linux/void-packages/issues/35826#issuecomment-1050297068

Comment:
We generally make services configurable like: 

```
#!/bin/sh
mkdir -p /var/lib/misc
[ -r ./conf ] && . ./conf
exec dnsmasq -k ${OPTS:---enable-dbus -u dnsmasq -g dnsmasq} 2>&1
```

The user can then create `/var/service/dnsmasq/conf` with i.e. `OPTS="-u dnsmasq -g dnsmasq"`.