home: vim: add 'which-key-nvim'

home/vim/default.nix

@@ -68,6 +68,9 @@ in
       null-ls-nvim # LSP integration for linters and formatters
       (nvim-treesitter.withPlugins (_: pkgs.tree-sitter.allGrammars)) # Better highlighting
       plenary-nvim # 'null-ls' dependency
+
+      # UX improvements
+      which-key-nvim # Show available mappings
     ];
 
     extraConfig = builtins.readFile ./init.vim;

home/vim/plugin/settings/which-key.vim

@@ -0,0 +1,4 @@
+lua << EOF
+local wk = require("which-key")
+wk.setup()
+EOF