A new footer for the website

[SushantPatial]

I believe the footer doesn't go well with the website. Plus there's too much space below it.

I want to build a new footer which fits the website.

Here are some of the designs I think will look good (I'll change the color scheme accordingly)

[github-actions]

Hi 😄, @SushantPatial Thanks for creating an issue at FunwithPhysics. We request you to follow the contributing guidelines.

[Amit366]

@SushantPatial u can work