Adds the feature of "Scroll to top" button

[Pratik2026]

Related to #103

I have added the feature of a scroll-to-top button to enhance the user experience. This feature allows users to easily navigate back to the top of the page with a single click.

Type of change

What sort of change have you made:

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Code style update (formatting, local variables)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

Checklist:

• [x] My code follows the guidelines of this project.
• [x] I have performed a self-review of my own code.
• [ ] I have commented on my code, particularly wherever it was hard to understand.
• [ ] I have made corresponding changes to the documentation.

Please refer to the attached video(in full Screen) to view the newly added feature in action.

https://github.com/prakhartiwari0/Arito/assets/128511266/01c17c42-5ee0-4c47-a321-1e11d5e57b3b