add dolphin-emu

nixos/gaming.nix

@@ -1,4 +1,9 @@
-{ pkgs, stablePkgs, ... }:
+{
+  pkgs,
+  stablePkgs,
+  config,
+  ...
+}:
 {
   programs.steam = {
     enable = true;
@@ -55,4 +60,16 @@
     vinegar # Roblox Studio, use Sober in ./flatpak.nix for the Roblox Player
     celeste64
   ];
+
+  services.udev.packages = with pkgs; [
+    dolphin-emu
+  ];
+
+  boot.extraModulePackages = [
+    config.boot.kernelPackages.gcadapter-oc-kmod
+  ];
+
+  boot.kernelModules = [
+    "gcadapter_oc"
+  ];
 }