[FEATURE] - Adding Dark mode / Light mode Toggle button

[devxMani]

🚀 Feature Request

Is your feature request related to a problem? Please describe. Adding toggle button

Describe the solution you'd like A button that changes the theme of the whole website.

can you add Gsoc ext Level 2 to this feature enhancement

[Soumojitshome2023]

best of luck

[rupesh-dev30]

/assign