refactor: removing needless module complexity

modules/home/programs/nixvim/plugins/harpoon.nix

@@ -0,0 +1,31 @@
+{
+  lib,
+  config,
+  ...
+}: let
+  inherit (lib) mkEnableOption mkIf;
+  cfg = config.home.devtools.nixvim.plugins.harpoon;
+in {
+  options = {
+    home.devtools.nixvim.plugins.harpoon.enable = mkEnableOption "Enables Harpoon plugin for nixvim";
+  };
+
+  config = mkIf cfg.enable {
+    programs.nixvim.plugins.harpoon = {
+      enable = true;
+
+      keymapsSilent = true;
+
+      keymaps = {
+        addFile = "<leader>a";
+        toggleQuickMenu = "<C-e>";
+        navFile = {
+          "1" = "<C-j>";
+          "2" = "<C-k>";
+          "3" = "<C-l>";
+          "4" = "<C-m>";
+        };
+      };
+    };
+  };
+}