Fix README broken links - For First Time Contributors / Beginners

[NachiketaVadera]

Hello, First Time Contributor!

There are a few, about 4, broken links in my README file. Here's your chance to warm up your contributing juices and help fix them.

Note: This issue is meant to be fixed by first time contributors. I'll check your commit history before accepting your PR.

[ameeetgaikwad]

I would like to help!

[shiningflutes]

Hello! I've created a pull request for this!

[JyotiKM29]

I am new to github Can please Assign me this Issue?

[EdisonMeks]

Assign this to me please if still open