add dark and light mode in UI

[kavitameena108]

Is there an existing issue for this?

• [X] I have searched the existing issues

Feature Description

I want to add new feature a toggle button for dark and light mode to enhance UI. and it will be comfortable for users. @kartikayasija can you assign me this issue.

Please mention this under gssoc and hacktoberfest

Record

• [X] I agree to follow this project's Code of Conduct
• [X] I want to work on this issue
• [X] I'm willing to provide further clarification or assistance if needed.

[Sibam-Paul]

@kavitameena108 only after #15

[Lokesh-Bijarniya]

@Sibam-Paul could u assign me?