~jack/misc

misc/ergodox d---------
ergodox: add binds for fst/snd
ergodox: Add 'Relude' to Haskell import layer
Remove spaces from haskell keyword layer
ergodox: add bind for `<@>`, remove bind for `RaaP.`
Point ergodox nix at common nixpkgs pin
Add ergodox to readme
Add ergodox firmware
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