Support alternate configuration files for k9s in darwin where XDG is
not mandated and k9s expects configuration files in
`~/Library/Application Support/k9s/`.
* k9s: add hotkey option
This PR adds an option to customise k9s hotkeys.
The keyword `hotKey` must be in camel case on the user config.
* Update modules/programs/k9s.nix
Co-authored-by: Paul Meyer <49727155+katexochen@users.noreply.github.com>
* fix formatting
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Co-authored-by: Paul Meyer <49727155+katexochen@users.noreply.github.com>