[Gssoc'21] 404 page

[arpit456jain]

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

There was no 404 page in templates.

Describe the solution you'd like

I want to make a 404 page for the website

• A clear and concise description of what you want to happen.

[iaryangoyal]

Can i do this?

[khannakshat7]

@arpit456jain Go ahead