Updates readme.
Adds example for task 04
My task 01 submission.
My task 01 submission.
My task 01 submission.
My task 02 submission.
My task 02 submission.
My task 02 submission.
My task 02 submission.
My task 03 submission.
My task 03 submission.
My task 03 submission.
My task 03 submission.
My task 04 submission.
My task 04 submission.
My task 05 submission.
My task 05 submission.
My task 05 submission.
My task 05 submission.
My task 05 submission.