Add gaming apps

modules/desktop/browsers/firefox.nix

@@ -0,0 +1,16 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+with lib.my;
+let cfg = config.modules.desktop.browsers.firefox;
+in {
+  options.modules.desktop.browsers.firefox = {
+    enable = mkBoolOpt false;
+  };
+
+  config = mkIf cfg.enable {
+    home.programs.firefox = {
+      enable = true;
+    };
+  };
+}