Update readme.md

Author: mlynch

readme.md

@@ -16,6 +16,10 @@ We intend for this icon pack to be used with [Ionic](http://ionicframework.com/)
 Or install with [component](https://github.com/component/component):
 
     $ component install driftyco/ionicons
+    
+Or perhaps you're known to use [bower](http://bower.io/)?
+   
+    $ bower install ionicons
 
 
 ## HTML Example