Guix Home redshift service

[jgart]

Hi Guix,

I had originally proposed this idea to guix-home-manager but never got around 
to implementing it:

https://framagit.org/tyreunom/guix-home-manager/-/issues/16

I'd like to pick it up again and try implementing it this time for guix home.

Any advice or ideas for implementation with guix home are much appreciated.

Has anyone already written a red shift service for guix home?

Does it make more sense for this to be a shepherd service instead?

I'm mostly on void linux with guix installed for my personal machines and I use 
Guix System for servers.

all best,

jgart

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