readme or basic description of how to test/use?

[pyramation]

Great work! After reading the article https://hackernoon.com/how-we-make-npm-packages-work-in-the-browser-announcing-the-new-packager-6ce16aa4cee6 I got really inspired and I wanted to dig into this!

I'm currently reading through the codebase, and after attempting to put it all together without context I decided it may be worth a shot just seeing if a simple readme may help to describe parts of what's going on the in the codebase.

Cheers!