[Feature] : Implement the Dark and Light mode

[sivaprasath2004]

Description

• In this website cannot approach for the Dark and light mode, with User selection.
• i want to work on this issue.
• please assign me..

Screenshots

Checklist

• I have checked the existing issues.
• I follow Contributing Guidelines of this project.
• I am a GSSoC'24 contributor.
• I want to work on this issue.

Code of Conduct

• I agree to follow this project's "Code of Conduct".

[github-actions]

Thank you for creating this issue! 🎉 We'll look into it as soon as possible. In the meantime, please make sure to provide all the necessary details and context. If you have any questions or additional information, feel free to add them here. Your contributions are highly appreciated! 😊

[github-actions]

Thank you for creating this issue! 🎉 We'll look into it as soon as possible. In the meantime, please make sure to provide all the necessary details and context.

[sakeel-103]

@CSEdgeOff
can you assign me this under gssoc'24.