Feat: Add Dark Mode Toggle Button

[Hemashree21]

Describe the feature

I want to design the website in dark mode and implement a toggle button so that users can view the website in the mode of their choice.

@PatilHarshh can you please assign this issue to me?

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]]

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[github-actions[bot]]

This issue is stale because it has been open for 30 days with no activity.