Major update to handle multiple systems

modules/system/plasma/default.nix

@@ -0,0 +1,43 @@
+{ config, lib, pkgs, ...}:
+
+let
+  cfg = config.systemSettings.plasma;
+in {
+  options = {
+    systemSettings.plasma = {
+      enable = lib.mkEnableOption "Enable plasma";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.xserver.enable = true;
+    services.xserver = {
+      layout = "us";
+      xkbVariant = "";
+      xkbOptions = "caps:escape";
+    };
+    services.xserver.displayManager.sddm.enable = true;
+    services.xserver.displayManager.sddm.wayland.enable = true;
+    services.xserver.desktopManager.plasma6.enable = true;
+  
+  
+    services.printing.enable = true;
+  
+    hardware.pulseaudio.enable = false;
+    security.rtkit.enable = true;
+    services.pipewire = {
+      enable = true;
+      alsa.enable = true;
+      alsa.support32Bit = true;
+      pulse.enable = true;
+    };
+  
+    environment.systemPackages = with pkgs; [
+      kdePackages.kate
+      kdePackages.dolphin
+    ];
+  
+    virtualisation.waydroid.enable = true;
+    services.avahi.nssmdns.enable = true;
+  };
+}