Migrate to snowfall lib

modules/home/gui/games/default.nix

@@ -0,0 +1,21 @@
+{ lib, config, pkgs, ... }: {
+
+  imports = [ ./openttd.nix ];
+
+  config = lib.mkIf (config.homecfg.make.game) {
+
+    home.packages = with pkgs; [
+      custom.simc
+
+      #games
+      steam
+      gamemode
+      gamescope
+      mangohud
+      prismlauncher
+      openttd-jgrpp
+      bottles
+    ];
+  };
+
+}