Please add the rest of the chapters in the tutorial

[Shadowblitz16]

Please add the rest of the chapters in the tutorial
https://ice1000.org/llvm-cs/en/

[davidelettieri]

I did some work here supporting up to Chapter 7. I followed a different approach to parsing but LLVM part should be decent.

[tannergooding]

Resolved with #262, the entire tutorial is now ported.