Add PreLoader Animation

[marizvi]

Hello Sir,
In order to make our website cool and impressive, I really do have a great idea for it and that is to add website preloader animation.
It would look really great I guarantee you.

Kindly Assign me this issue to work upon it, under Contribute-a-thon'21.

[prathmeshkhandelwal1]

Sure go ahead

[marizvi]

Sir, I have generated a PR for this issue.
Kindly have look at it.

[prathmeshkhandelwal1]

Okkk