Title: Adding smooth transitioning effect while changing the theme from dark to light

[nameishyam]

Which pre-existing JavaScript project will you be working on?

I will work on the website, which is hosting all these javascript projects. That is, the main website

Describe your enhancement/improvement

Current Condition:

The current website gives the option to toggle from light theme to dark theme, which can be of great help for the users in the night time or while using the website in the low light enviornments. But the Transition effect is'nt present.

My Modification:

I would like to Improve the transition effect in the project.

Anything you need to say to the Reviewers

Sir I'm a GSSOC aspirant, and I have found this issue, which I have already solved. Please mark it as gssoc. Please assign me with this issue, I have already been came up with the solution for this.

[github-actions]

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[Sathwik279]

I too found this issue please resolve this as soon as possible