renamed gtk to more apth theming system module

modules/system/theming/cursor.nix

@@ -0,0 +1,36 @@
+{
+  self,
+  inputs,
+  ...
+}: {
+  flake.nixosModules.bibataCursors = {
+    pkgs,
+    lib,
+    ...
+  }: let
+  in {
+    fonts.packages = with pkgs.nerd-fonts; [
+      fira-mono
+    ];
+    environment.systemPackages = with pkgs; [
+      bibata-cursors
+    ];
+
+    environment.variables = {
+      XCURSOR_THEME = "Bibata-Modern-Ice";
+      XCURSOR_SIZE = "20";
+    };
+
+    programs.dconf.profiles.user.databases = [
+      {
+        lockAll = false;
+        settings = {
+          "org/gnome/desktop/interface" = {
+            cursor-theme = "Bibata-Modern-Ice";
+            font-name = "FiraMono Nerd Font 11";
+          };
+        };
+      }
+    ];
+  };
+}