Starting to port the Ink tutorial

documentation/WritingWithHank.md

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+# Writing with Hank
+
+## Introduction
+
+**Hank** is a scripting language built around the idea of marking up pure-text with flow in order to produce interactive scripts. It is based on **ink** by Inkle, which can be found [here](https://www.inklestudios.com/ink/) with source code [here](http://github.com/inkle/ink).
+
+This tutorial is adapted directly from the tutorial for writing **ink**, but explains the ways in which Hank's syntax differs. You can use this tutorial as a guide for porting Ink games to **Hank**.
+
+At its most basic, Hank can be used to write a Choose Your Own-style story, or a branching dialogue tree. But its real strength is in writing dialogues with lots of options and lots of recombination of the flow. 
+
+**Hank** offers several features to enable non-technical writers to branch often, and play out the consequences of those branches, in both minor and major ways, without fuss. 
+
+The script aims to be clean and logically ordered, so branching dialogue can be tested "by eye". The flow is described in a declarative fashion where possible.
+
+It's also designed with redrafting in mind; so editing a flow should be fast.
+
+For a list of new features in **Hank** that aren't found in Ink, see [the last section.](#Extras)
+
+# Extras
+
+Here