refactor flake.nix and osConfig organization

osConfigs/modules/game.nix

@@ -0,0 +1,10 @@
+{ config, lib, inputs, pkgs, ... }:
+
+{
+  programs.steam.enable=true; 
+  programs.steam.protontricks.enable=true;
+
+#  environment.systemPackages = with pkgs; [ qemu quickemu];
+#  programs.virt-manager.enable = true;
+#  virtualisation.libvirtd.enable = true;
+}

osConfigs/modules/nvidia.nix

@@ -0,0 +1,11 @@
+
+{ config, lib, inputs, pkgs, ... }:
+
+{
+  hardware.graphics = {
+    enable = true;
+	enable32Bit = true;
+  };
+
+  services.xserver.videoDrivers = ["nvidia"];
+}

osConfigs/modules/vboxHost.nix

@@ -0,0 +1,6 @@
+{ config, lib, inputs, pkgs, ... }:
+
+{
+  virtualisation.virtualbox.host.enable = true;
+  users.users.tom.extraGroups = [ "vboxusers" ];
+}

osConfigs/modules/yubikey.nix

@@ -0,0 +1,14 @@
+{ config, lib, inputs, pkgs, ... }:
+
+{
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+
+  security.pam.yubico = {
+    enable = true;
+    id = "30536547";
+    mode = "challenge-response";
+  };
+}