Add README

stages/3/README.md

@@ -0,0 +1,20 @@
+Getting Started
+===============
+
+## Install Elm
+
+Visit http://elm-lang.org/install to get set up.
+
+## Install the Project
+
+Run this at the terminal:
+
+```bash
+npm install
+```
+
+## Automatically Rebuild
+
+```bash
+npm run watch
+```