Addition of a back to top button for notes area and it is very long.

## Feature
Add a back-to-top button where notes are provided as it is a very long section.

## Screenshot
In this page we can add that button
<img width="1365" height="598" alt="Image" src="https://github.com/user-attachments/assets/3da97340-4be4-4c92-a875-7a9027d2aa54" />

