CODE CHANGE: Add navbar in contributor and about page

[Abankita]

Is there an existing issue for this?

• I have searched the existing issues

Describe the code change

To maintain uniformity and a better UI/UX, every page should have a navigation bar.

Proposed solution

I will apply the navigation bar code to the two pages keeping the existing code unchanged.

Record

• I agree to follow this project's Code of Conduct
• I'm a GSSOC'24 contributor
• I want to work on this issue

[github-actions]

Thanks for creating the issue in BuddyTrail!
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Happy open-source contributing!

[github-actions]

Thank you for creating this issue! 🎉 Your issue will soon be reviewed by either the PA or a mentor. Please note that Level 1 is temporary and can be changed during the review. In the meantime, please make sure to provide all the necessary details and context. If you have any questions or additional information, feel free to add them here. Your contributions are highly appreciated! 😊

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[github-actions]

Hello @Abankita! Your issue #816 has been closed. Thank you for your contribution!