[Assist] Put openrc service in dnscrypt-proxy package

[Xavier B.]

> what Xavier is asking for is surely not as complicated as this
> discussion would make it appear to be - an init script is a very
> tiny simple thing to add to the system
> 
> when some init script is missing for openrc, it is not a case of
> priority or favoritism - parabola was built upon arch, and arch
> uses systemd - openrc support was added much more recently; but
> not every program works with openrc without some special
> attention - if no one has asked for openrc support for some
> program before; then it has probably not been added yet - almost
> every openrc init script in parabola, got there because someone
> asked for it specifically - requests just like this one have
> been the normal procedure
> 
> so what needs to happen exactly, does an init script for this
> service exists anywhere, or maybe someone needs to write one?

Thanks Bill for pointing it.
An easy solution is to import directly the packages *-openrc from artix which has openrc as default and it is a fork from arch too.