Generating a Neovim Reference Card with Nix

I started learning emacs the other day, and I&#xA;happened to stumble upon this&#xA; reference card ,&#xA;designed by Stephen Gildea: &#xA; &#xA;&#x9; &#xA;&#x9;&#x9; &#xA;&#x9;&#x9;&#x9; &#xA;&#x9;&#x9;&#x9; &#xA;&#x9;&#x9; &#xA;&#x9; &#xA; &#xA; &#xA; It&rsquo;s beautiful (and GPLv3)! &#xA; So naturally I wanted to make my own. My initial concern was that if I updated&#xA;my Neovim config,…