added katana

hosts/katana/default.nix

@@ -0,0 +1,51 @@
+{ modulesPath, config, pkgs, lib, self, ... }:
+
+{
+  system.stateVersion = "23.05";
+
+  # Allow the use of unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # Sound
+  sound.enable = true;
+  hardware.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+
+  # Localization
+  time.timeZone = "America/Detroit";
+  i18n = {
+    defaultLocale = "en_US.UTF-8";
+    extraLocaleSettings = {
+      LC_ADDRESS = "en_US.UTF-8";
+      LC_IDENTIFICATION = "en_US.UTF-8";
+      LC_MEASUREMENT = "en_US.UTF-8";
+      LC_MONETARY = "en_US.UTF-8";
+      LC_NAME = "en_US.UTF-8";
+      LC_NUMERIC = "en_US.UTF-8";
+      LC_PAPER = "en_US.UTF-8";
+      LC_TELEPHONE = "en_US.UTF-8";
+      LC_TIME = "en_US.UTF-8";
+    };
+  };
+
+  # Enable Services.
+  services = {
+    printing.enable = true;
+    xserver = {
+      enable = true;
+      displayManager.gdm.enable = true;
+      desktopManager.gnome.enable = true;
+      layout = "us";
+      xkbVariant = "";
+    };
+    pipewire = {
+      enable = true;
+      alsa = {
+        enable = true;
+        support32Bit = true;
+      };
+      pulse.enable = true;
+      jack.enable = true;
+    };
+  };
+}