BUG: Remove white background from the app icon in docs website.

[rahulharpal1603]

Is there an existing issue for this?

• I have searched the existing issues

What happened?

The docs website icon has a white background, which doesn't look good. Use one of the icons present in this location frontend/src-tauri/icons

Record

• I agree to follow this project's Code of Conduct

Checklist before Submitting

• Have you updated docs for it?
• Have you added unit tests?
• Have you made sure unit tests pass?
• Have you made sure code formatting is correct?
• Do Your changes passes all tests?

[ssz2605]

@rahulharpal1603 Please assign this issue to me