Update README.md

Author: garyb

README.md

@@ -1 +1,16 @@
-# purescript-web-storage
+# purescript-web-storage
+
+[![Latest release](http://img.shields.io/github/release/purescript-web/purescript-web-storage.svg)](https://github.com/purescript-web/purescript-web-storage/releases)
+[![Build status](https://travis-ci.org/purescript-web/purescript-web-storage.svg?branch=master)](https://travis-ci.org/purescript-web/purescript-web-storage)
+
+Type definitions and low level interface implementations for the W3C WebStorage API.
+
+## Installation
+
+```
+bower install purescript-web-storage
+```
+
+## Documentation
+
+Module documentation is [published on Pursuit](http://pursuit.purescript.org/packages/purescript-web-storage).