gaming: Add gaming-specific packages and settings

modules/programs/gaming/default.nix

@@ -0,0 +1,14 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.ptw.programs.gaming;
+in {
+  options.ptw.programs.gaming = {
+    enable = lib.mkEnableOption "Configure gaming options";
+  };
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      winePackages.stagingFull winetricks
+    ];
+  };
+}