Feat: Dark/light mode button

[Jagpreet153]

Describe the feature

I would like to add a dark /light mode button for better user experience .It would be located in the navbar section

Add ScreenShots

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]]

Welcome to MyStory! Congratulations on creating your first issue in this repository! 🥳🎉 We'll look into it as soon as possible.

[github-actions[bot]]

Hello @Jagpreet153! Your issue #259 has been closed. Thank you for your contribution!

[Jagpreet153]

@Kritika30032002 Why did you changed the level tag after raising the PR .