update README

Author: jenweber

README.md

@@ -8,6 +8,7 @@ see the [website](https://github.com/ember-learn/ember-website)
 and [guides](https://github.com/ember-learn/guides-source) repositories.
 
 There are many pieces that together create the Ember API docs site:
+
 - The app in this repository, which fetches and displays the API docs data. It is what you see at
 [https://api.emberjs.com/](https://api.emberjs.com/)
 - The YUIdoc code comments found in the