Scroll to Top Btn needed in the main Readme.md file

[Vishal-1004]

Hii,
vishal this side,
I noticed that your main Readme.md file is actually very long which leads to up and down scrolling because github doesn't provides us with a scroll to top default button.
So since i know how to add it in Readme.md file so can you please let me work on this, so that i can enhance your feature and reduce the efforts which others would have to give to go up and down of your readme.md file.

[github-actions]

@Vishal-1004 Please Star ⭐️ the repo to earn "hacktober-accepted" label for the event.
Meanwhile if you want to work on this issue, Please raise the PR and we will review and merge it.

[purnasth]

Hello, feel free to assign this task to me.