Added the webiste navigation bar and contact list at the end

[Pallavi-Shtgr]

Description

I've successfully integrated a navigation bar and enhanced the styling of the website, including the contact section. This improvement aims to provide a more user-friendly experience and streamline navigation throughout the site.

Screenshots

Checklist

• I have checked the existing issues
• I have read the Contributing Guidelines
• I'm a GSSoC'24-Extd contributor
• I'm a Hacktoberfest'24 contributor
• I am willing to work on this issue (optional)

[github-actions]

👋 Thank you @Pallavi-Shtgr for raising an issue! We appreciate your effort in helping us improve. Our team will review it shortly. Stay tuned!

[Pallavi-Shtgr]

Please add the hactoberfest label(please let me know, how to do), Want to contribute for it.