feat(ui): add scroll to top button

[Robinaditya1045]

Description

• Added a "Scroll to Top" button to improve navigation for users on long pages.
• The button becomes visible after the user scrolls down by 700px, making it easy to return to the top of the page with a single click.
• Styled the button to ensure it is easily visible and works responsively on various devices.

Related Issue(s)

Fixes #475

Testing

• Ensured the button appears after scrolling down 700px.
• Verified that clicking the button smoothly scrolls the page back to the top.
• Tested the feature across different browsers to ensure consistent behavior.

Screenshots

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[AceTheCreator]

Nice work, @Robinaditya1045!

A couple of suggestions:

The arrow could use a smoother transition when it appears for a better visual effect.
Its position seems too far off the screen, bringing it slightly toward the top and left would improve its placement.

[AceTheCreator]

@Robinaditya1045 maybe you lean towards this PR approach to the button style

[Robinaditya1045]

Nice work, @Robinaditya1045!

A couple of suggestions:

The arrow could use a smoother transition when it appears for a better visual effect.
Its position seems too far off the screen, bringing it slightly toward the top and left would improve its placement.

Sure, will work on the changes.

[Robinaditya1045]

@Robinaditya1045 maybe you lean towards this PR approach to the button style

Kinda, yes.

[Robinaditya1045]

@AceTheCreator, I have committed the suggested changes. Please review

[AceTheCreator]

@AceTheCreator, I have committed the suggested changes. Please review

I think we should lean towards using this type of arrow up icon https://www.svgrepo.com/svg/93813/up-arrow

[AceTheCreator]

Also the positioning on mobile resolution is a little bit disturbing 🤔

I think it should be placed toward the bottom right corner

[Robinaditya1045]

Hey @AceTheCreator, I have fixed the mobile responsiveness thing. Please review it. If this works, then I will move forward and clean the commit history