Implemented Customized Scrollbar Feature

[akhilender-bongirwar]

Description Refactored the CSS code to introduce a custom scrollbar consistent with modern design trends. The new scrollbar design aligns with the desired appearance, replacing the default one.

Changes Made:

• Added custom scrollbar CSS rules.
• Removed the default scrollbar appearance.

These adjustments have been carefully implemented to maintain the smooth and polished UI.

This PR fixes #327

Notes for Reviewers

Signed commits

• [x] Yes, I signed my commits.

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[akhilender-bongirwar]

Sure @malaviya-parth. Thank you : ) ...

[akhilender-bongirwar]

@malaviya-parth, Could you please review the changes.

[akhilender-bongirwar]

@malaviya-parth , Could you please merge the PR : )

[malaviya-parth]

@malaviya-parth , Could you please merge the PR : )

I can't as I am currently don't hold that position, but don't worry after the discussion in the meeting, Maintainers will merge it.

[Savio629]

LGTM 👍

[abhijeetgauravm]

LGTM. Thanks for this @akhilender-bongirwar

// @Mohith234

[Mohith234]

@leecalcote ^^