Update README.md

Author: garyb

README.md

@@ -1,7 +1,16 @@
 # purescript-node-streams
 
+[![Latest release](http://img.shields.io/github/release/purescript-node/purescript-node-streams.svg)](https://github.com/purescript-node/purescript-node-streams/releases)
+[![Build Status](https://travis-ci.org/purescript-node/purescript-node-streams.svg?branch=master)](https://travis-ci.org/purescript-node/purescript-node-streams)
+
 A wrapper for Node's [Stream API](https://nodejs.org/api/stream.html).
 
-- [Example](example/Gzip.purs)
+## Installation
+
+```
+bower install purescript-node-streams
+```
+
+## Documentation
 
-Documentation is published on [Pursuit](https://pursuit.purescript.org/packages/purescript-node-streams).
+Module documentation is [published on Pursuit](http://pursuit.purescript.org/packages/purescript-node-streams).