Merge pull request #75 from frewsxcv/link-docs

Link to documentation

Author: metajack

README.md

@@ -3,6 +3,8 @@ rust-cssparser
 
 [![Build Status](https://travis-ci.org/servo/rust-cssparser.svg?branch=travis)](https://travis-ci.org/servo/rust-cssparser)
 
+[Documentation](http://doc.servo.org/cssparser/)
+
 Rust implementation of
 [CSS Syntax Module Level 3](http://www.w3.org/TR/css-syntax-3/)