Working on GTK

Droidnix/generated/out_of_tree/machines/traveldroid/gtk.nix

@@ -6,13 +6,16 @@
     papirus-icon-theme
   ];
 
-  programs.gtk = {
+  gtk = {
+    # <-- Correct option name
     enable = true;
     gtk3.enable = true;
-    theme.name = "Catppuccin-Mocha-Standard-Blue-Dark";
-    theme.variant = "dark";
-    iconTheme.name = "Papirus-Dark";
+    theme = {
+      name = "Catppuccin-Mocha-Standard-Blue-Dark";
+      variant = "dark";
+    };
+    iconTheme = {
+      name = "Papirus-Dark";
+    };
   };
-
-  # Check session.nix for variables !
 }