refactor: add spacing divider below NodeProducts bottom border

- Removed bg-[#121212] from bottom border div
- Added transparent spacing divider with py-6 padding and gray-800 side borders
- Updated comment to indicate spacing addition

src/pages/nodes/NodeProducts.tsx

@@ -222,9 +222,9 @@ export function NodeProducts() {
 
         </div>
       </div>
-
-      {/* Bottom border */}
-      <div className="w-full border-b border-gray-800 bg-[#121212]" />
+       {/* ✅ Bottom horizontal line with spacing */}
+      <div className="w-full border-b  border-gray-800" />
+      <div className="max-w-7xl bg-transparent mx-auto py-6 border border-t-0 border-b-0 border-gray-800"></div>
     </section>
   );
 }