Add printer support

modules/nixos/desktop.nix

@@ -7,6 +7,7 @@
     ./fonts.nix
     ./sddm.nix
     ./hyprland.nix
+    ./printing.nix
     ./systemd-boot.nix
   ];
 }

modules/nixos/printing.nix

@@ -0,0 +1,17 @@
+{ pkgs, ... }:
+{
+  services.printing = {
+    enable = true;
+    drivers = with pkgs; [
+      cups-filters
+      cups-browsed
+      cnijfilter2
+    ];
+  };
+
+  services.avahi = {
+    enable = true;
+    nssmdns4 = true;
+    openFirewall = true;
+  };
+}