Customized terminal prompt

Changed terminal prompt to show current directory path
README - about me

I wrote a little about myself in the README.md for the first assignment.
Adding a gif
Changing it slightly.
Revert "Customized terminal prompt"

This reverts commit b44ecec042308b8e3b2079a70f72e2bc77162c51.
Improving readme

Added a header, a subheading, reformatted states into a bulleted list,
and added some links.
Merge pull request #6 from jbkly/master

Fixing readme and removing terminal prompt file