Neovim setup

Can it be this easy to make nvim stuff just work? Do I really just need
to pull the files in with Home Manager? It seems so, so long as nvim
knows about gcc :)

There is also a related side of tmux here because it all ties together.

modules/home-manager/files/nvim/lua/disabled/themes/oxocarbon.lua

@@ -0,0 +1,8 @@
+return {
+  "nyoom-engineering/oxocarbon.nvim",
+  config = function ()
+    vim.o.background = "dark"
+    vim.o.termguicolors = true
+    vim.cmd.colorscheme "oxocarbon"
+  end
+}