better list concatenation + renamed vars on overlay

gnome.nix

@@ -28,28 +28,25 @@
     style = "adwaita";
   };
   users.users.jawz.packages =
-    let
-      packages = builtins.attrValues {
-        inherit (pkgs)
-          adw-gtk3 # theme legacy applications
-          gnome-tweaks # tweaks for the gnome desktop environment
-          papirus-icon-theme # icon theme
-          libgda # for pano shell extension
-          ;
-      };
-      extensions = builtins.attrValues {
-        inherit (pkgs.gnomeExtensions)
-          appindicator # applets for open applications
-          reading-strip # like putting a finger on every line I read
-          tactile # window manager
-          freon # hardware temperature monitor
-          gamemode-indicator-in-system-settings # I guess I'm a gamer now?
-          burn-my-windows # special effects for when closing windows
-          ;
-      };
-      otherPackages = [
-        config.nur.repos.zzzsy.gnome-shell-extension-pano
-      ];
-    in
-    packages ++ extensions ++ otherPackages;
+    builtins.attrValues {
+      inherit (pkgs)
+        adw-gtk3 # theme legacy applications
+        gnome-tweaks # tweaks for the gnome desktop environment
+        papirus-icon-theme # icon theme
+        libgda # for pano shell extension
+        ;
+    }
+    ++ builtins.attrValues {
+      inherit (pkgs.gnomeExtensions)
+        appindicator # applets for open applications
+        reading-strip # like putting a finger on every line I read
+        tactile # window manager
+        freon # hardware temperature monitor
+        gamemode-indicator-in-system-settings # I guess I'm a gamer now?
+        burn-my-windows # special effects for when closing windows
+        ;
+    }
+    ++ [
+      (pkgs.callPackage ./pkgs/pano/default.nix { })
+    ];
 }