Add Contribution Section in README.md

[ompiepy]

This section will add the name of the contributors.

[ompiepy]

Hey, @dura-amar . Can you please, solve this. Please reply to this, so that I can confirm you availability. Thanks.

[dura-amar]

@ompiepy What should the contribution section contain?

[ompiepy]

Just the contributor github link and name

[dura-amar]

Okay, I can do that.

[dura-amar]

But, who do we count as a contributor?
Should they contribute on assignments or code?

[ompiepy]

Contributor means anyone whose PR has been merged.