feat(darwin): init

[isabelroses]

previously it made no sense to add this since we didn't support any darwin modules but now we have the global cache.enable and some users may want to set it in a "shared" module between nixos and darwin

closes #162

[getchoo]

Sorry it took me a bit to review

When I first saw this in my inbox I initially just thought "no", but after mulling over it again, this would be very helpful for Darwin HM users instead of needing to configure this at a per-user level or shove it in a Flake config

The only problem I have now is the expectations that exposing this module sets. As someone taking a quick look at this project (or well, our flake.nix), I would assume we support Darwin the same as NixOS/HM. It'd be a bit weird to find out this is the only option...so I dunno

[isabelroses]

When I first saw this in my inbox I initially just thought "no"

Honestly this was my reaction last time we had one of these 😔

this would be very helpful for Darwin HM users instead of needing to configure this at a per-user level or shove it in a Flake config

Honestly thats the only reason it makes any sense right now since. And it somewhat makes sense to reduce that complexity when setting up but thats pretty niche.

The only problem I have now is the expectations that exposing this module sets. As someone taking a quick look at this project (or well, our flake.nix), I would assume we support Darwin the same as NixOS/HM.

Totally valid. I think it maybe a good idea to get a consensus on this. Perhaps in the discord?

[isabelroses]

Actually might be worth merging now that #545 is open. At least to give them the ability to access catppuccin.sources.