desktop changes

etcnixos/steam.nix

@@ -0,0 +1,27 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}:
+{
+
+  nixpkgs.config.allowUnfreePredicate =
+    pkg:
+    builtins.elem (lib.getName pkg) [
+      "steam"
+      "steam-original"
+      "steam-unwrapped"
+      "steam-run"
+    ];
+
+  programs.steam = {
+    enable = true;
+    localNetworkGameTransfers.openFirewall = true; # Open ports in the firewall for Steam Local Network Game Transfers
+    extraCompatPackages = with pkgs; [ proton-ge-bin ];
+  };
+
+  environment.systemPackages = with pkgs; [
+    steamtinkerlaunch
+  ];
+}