feat(nvim): add neoconf.nvim

pkgs/nvim/config/default.nix

@@ -59,6 +59,7 @@
     ./utils/illuminate.nix # highlight other uses of current word
     ./utils/markdown-preview.nix
     ./utils/mini.nix # lots of utilities
+    ./utils/neoconf.nix
     # ./utils/neodev.nix # lua development
     ./utils/neotest.nix # test runner
     ./utils/nvim-colorizer.nix

pkgs/nvim/config/utils/neoconf.nix

@@ -0,0 +1,7 @@
+{pkgs, ...}: {
+  extraPlugins = with pkgs.vimPlugins; [neoconf-nvim];
+
+  extraConfigLuaPre = ''
+    require("neoconf").setup()
+  '';
+}