Revert "gui rollback"

This reverts commit 79f54abec2.

hosts/common/default.nix

@@ -8,7 +8,6 @@
 }: {
   imports = [
     ./locale.nix
-    ./gui.nix
     ./packages.nix
     ./services.nix
     ./users.nix

hosts/thor/configuration.nix

@@ -21,6 +21,7 @@
     # You can also split up your configuration and import pieces of it here:
     # ./users.nix
     ../common
+    ./gui.nix
 
     # Import your generated (nixos-generate-config) hardware configuration
     ./hardware-configuration.nix

hosts/zion/configuration.nix

@@ -21,6 +21,7 @@
     # You can also split up your configuration and import pieces of it here:
     # ./users.nix
     ../common
+    ./gui.nix
     
     # nvidia drivers
     ./nvidia.nix

hosts/zion/gui.nix

@@ -0,0 +1,51 @@
+{
+  inputs,
+  outputs,
+  lib,
+  config,
+  pkgs,
+  ...
+}: {
+  # X Server settings
+  services.xserver = {
+    enable = true;
+    layout = "pl";
+    xkbVariant = "";
+
+    displayManager = {
+      lightdm = {
+        enable = false;
+      };
+      startx = {
+        enable = true;
+      };
+    };
+    
+    windowManager = {
+      dwm = {
+        enable = true;
+      };
+    };
+
+    desktopManager = {
+      xfce = {
+        enable = false;
+      };
+    };
+
+    xrandrHeads = [
+      {
+        output = "HDMI-0";
+      }
+      {
+        output = "DP-2";
+        primary = true;
+        rate = "74.92";
+      }
+      {
+        output = "DP-0";
+        rate = "74.92";
+      }
+    ];
+  };
+}