Guix Home nnn 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/15

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

Has anyone already written a nnn service for guix home?

nnn is mostly configured through environment variables while default programs 
are
managed by xdg:

https://github.com/jarun/nnn/wiki/Usage#configuration

I imagine this could compose nicely with the xdg service already provided by
guix home.

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

all best,

jgart

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