fix(nix): renamed nixie to carbon

nix/hosts/carbon/gui.nix

@@ -0,0 +1,39 @@
+{pkgs, ...}: {
+  services = {
+    xserver.enable = true;
+
+    xserver = {
+      autoRepeatDelay = 300;
+      autoRepeatInterval = 40;
+    };
+
+    picom.enable = true;
+    xserver.displayManager.lightdm = {
+      enable = true;
+      background = "#000000";
+      greeters.gtk.cursorTheme = {
+        name = "Adwaita";
+        package = pkgs.gnome.adwaita-icon-theme;
+        size = 32;
+      };
+    };
+    xserver.windowManager.xmonad = {
+      enable = true;
+      enableContribAndExtras = true;
+      extraPackages = hp: with hp; [neat-interpolation];
+    };
+
+    xserver.libinput = {
+      mouse = {
+        naturalScrolling = true;
+        accelSpeed = "-0.5";
+      };
+      touchpad = {
+        naturalScrolling = true;
+        tapping = false;
+      };
+    };
+  };
+
+  programs.light.enable = true;
+}