Feat: Night MOde

[SanjeevKumar22]

What is your feature request related to ?

• [] Desgen Website
• Designing
• Documentation
• Others[please specify like testing, code etc]

Description
What is your feature request ? (A description of the feature. Write about the problem or idea you want to refer in this issue.)
DArk Mode
Describe the solution you'd like
A description of the solution you would suggest if any. (Any suggestions for issue solving)

Additional context
Add any other context or screenshots about the feature request here.

[Devansh2000Shaw]

Please assign me this under LGM SOC'21. Thank you.

[tjanhvi]

I would like to do this part. I will give a button having an indication to change the mode as change it to dark mode.

Like this !!!!!
I want to try this.......

[SHITIZ-AGGARWAL]

Please give a proper description for the issue. You can discuss more about this on the discord server with maintainers and then raise an issue