Add bower instructions

README.md

@@ -11,4 +11,19 @@ To use the web interface you first need to set a relay and a password:
 Then you can point your browser to the
 [Glowing Bear](http://cormier.github.io/glowing-bear) !
 
-Interested in contributing or simply want to talk about the project? Join us on **#glowing-bear** on **freenode**!
+Contributing to glowing-bear
+----------------------------
+
+### 1. Setup your environment
+
+We use Bower to manage dependencies:
+
+	$ npm install -r bower
+	$ bower install bower.json
+	
+The files have to be served from a web server. It's as simple as running this command in the glowing-bear directory:
+
+	$ python -m SimpleHTTPServer
+
+For any information don't hesitate and join us on **#glowing-bear** on **freenode**!
+