Setup lightdm as desktop manager

configuration.nix

@@ -44,7 +44,7 @@ in
 
   # Configure keymap in X11
   services.xserver.xkb = {
-    layout = "de-latin1";
+    layout = "de";
     variant = "";
   };
 

desktop-environment/config.nix

@@ -21,13 +21,11 @@ in
     programs.dconf.enable = true;
     hardware.graphics.enable = true;
 
-    services.greetd = {
+    services.xserver = {
         enable = true;
-      settings = {
-        default_session = {
-          command = "Hyprland";
-          user = profile.username;
-        };
+        displayManager.lightdm = {
+            enable = true;
+            greeters.slick.enable = true;
         };
     };