some refactoring and modularizing locale

modules/nixos/utils/misc/default.nix

@@ -0,0 +1,33 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) mkIf mkEnableOption mkOption mkMerge;
+  cfg = config.nixos.utils.misc;
+in {
+  options = {
+    nixos.utils.misc = {
+      enable = mkEnableOption "Enables miscellaneous packages";
+      desktop.enable = mkOption {
+        type = lib.types.bool;
+        default = false;
+        description = "Whether to install desktop-specific packages.";
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = mkMerge [
+      [
+        pkgs.nodejs_22
+        pkgs.tree
+      ]
+      (mkIf cfg.desktop.enable [
+        pkgs.protonup
+        pkgs.winetricks
+      ])
+    ];
+  };
+}