modularise the stuff

lib/modules/gamer.nix

@@ -0,0 +1,30 @@
+{ user }: { lib, pkgs, config, ... }:
+with lib;
+{
+  options.roles.gamer = {
+    enable = mkEnableOption "gamer packages";
+  };
+
+  config = mkIf config.roles.gamer.enable {
+    
+    home-manager.users.${user}.imports = [{
+      home.packages = with pkgs; [
+        airshipper
+        minetest
+      ];
+    }];
+
+    nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+      # gamer time
+      "steam"
+      "steam-run"
+      "steam-original"
+    ];
+
+    programs.steam = {
+      enable = true;
+      remotePlay.openFirewall = true;
+      dedicatedServer.openFirewall = true;
+    };
+  };
+}