Feat:Addition of an Error Page

[Disha-Hati]

Describe the feature

When some user types random URL (something like https://exam-time.vercel.app/abcd), It should show a fancy error page.

Add ScreenShots

Currently it shows this, Instead We can add more informative error page

Record

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

[github-actions[bot]]

Congratulations, @Disha-Hati! 🎉 Thank you for creating your issue. Your contribution is greatly appreciated and we look forward to working with you to resolve the issue. Keep up the great work!

We will promptly review your changes and offer feedback. Keep up the excellent work! Kindly remember to check our contributing guidelines