Add new theme documentation

doc/README.md

@@ -0,0 +1,21 @@
+[Roots Theme homepage](http://www.rootstheme.com/)
+
+# Roots Theme documentation
+
+Roots is a starting WordPress theme made for developers that’s based on [HTML5 Boilerplate](http://html5boilerplate.com/) and [Bootstrap from Twitter](http://twitter.github.com/bootstrap/).
+
+## Getting started
+
+* [Usage](usage.md) — Overview of the project contents.
+* [FAQ](faq.md) — Frequently asked questions, along with their answers.
+
+## The core of Roots
+* [Theme library](lib.md) — A guide to the `lib/` directory which contains all of the theme functionality, including: [theme activation](activation.md), the [theme wrapper](wrapper.md), [clean up](cleanup.md), and [rewrites](rewrites.md).
+* [Theme templates](templates.md) — A guide to the `templates/` directory which contains all of the theme templates.
+
+## Development
+
+* [Contributing to Roots](contribute.md) — Guidelines on how to
+  contribute effectively.
+* [Extending and customizing Roots](extend.md) — Going further with
+  Roots.