Add some static fiddles for now (will migrate to github paths eventually)

docs/client-server/howto.rst

@@ -23,6 +23,8 @@ Accounts
 Before you can send and receive messages, you must **register** for an account. 
 If you already have an account, you must **login** into it.
 
+**Try out the fiddle: http://jsfiddle.net/jrf1h02d/**
+
 Registration
 ------------
 The aim of registration is to get a user ID and access token which you will need
@@ -78,6 +80,8 @@ Communicating
 In order to communicate with another user, you must **create a room** with that 
 user and **send a message** to that room. 
 
+**Try out the fiddle: http://jsfiddle.net/jnwqcshc/**
+
 Creating a room
 ---------------
 If you want to send a message to someone, you have to be in a room with them. To