[BUG] Toggle button for light and dark mode.

[rajgharat07]

Description

I would like to contribute to this issue.Please assign me this issue

Screenshots

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Any additional information?

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What browser are you seeing the problem on?

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Checklist

• [X] I have starred the repository
• [X] I have checked the existing issues
• [X] I have read the discussion tab thoroughly and got the project idea
• [X] I am willing to work on this issue (optional)

[github-actions[bot]]

Hey, @rajgharat07 welcome to Top_Secrets repository.🎊 Thank you so much for taking the time to point this out.🙌