Kieran's opinionated (and probably slightly dumb) nix config

docs: add XDG_CONFIG_HOME

Changed files
+2 -1
+2 -1
README.md
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- [spikespaz/dotfiles](https://github.com/spikespaz/dotfiles)
- [Misterio77/nix-starter-configs](https://github.com/Misterio77/nix-starter-configs)
- [mccd.space install guide](https://mccd.space/posts/git-to-deploy/)
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- [disco docs](https://github.com/nix-community/disko/blob/master/docs/quickstart.md)
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- [spikespaz/dotfiles](https://github.com/spikespaz/dotfiles)
- [Misterio77/nix-starter-configs](https://github.com/Misterio77/nix-starter-configs)
- [mccd.space install guide](https://mccd.space/posts/git-to-deploy/)
+
- [disco docs](https://github.com/nix-community/disko/blob/master/docs/quickstart.md)
+
- [XDG_CONFIG_HOME setting](https://github.com/NixOS/nixpkgs/issues/224525)