dev: rebase on a less personalized neovim flake

modules/keys/default.nix

@@ -0,0 +1,6 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: {imports = [./which-key.nix];}

modules/keys/which-key.nix

@@ -0,0 +1,24 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}:
+with lib;
+with builtins; let
+  cfg = config.vim.keys;
+in {
+  options.vim.keys = {
+    enable = mkEnableOption "key binding plugins";
+
+    whichKey = {
+      enable = mkEnableOption "which-key menu";
+    };
+  };
+
+  config = mkIf (cfg.enable && cfg.whichKey.enable) {
+    vim.startPlugins = ["which-key"];
+
+    vim.luaConfigRC.whichkey = nvim.dag.entryAnywhere ''local wk = require("which-key").setup {}'';
+  };
+}