Want to add error 404 page

[silky-modi22]

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

I want to add a new error 404 page with awesome UI. Please assign me this issue, I want to work on it under GSSOC 2023

Describe the solution you'd like

My design looks like this

Describe alternatives you've considered

No response

Additional context

No response

[J0SAL]

Looks good👍, but please remove the "We will be back soon" clause

[silky-modi22]

Okay 👍