Added an Direct message example for Twit API readme docs

README.md

@@ -407,6 +407,32 @@ stream.on('direct_message', function (directMsg) {
   //...
 })
 ```
+Example for a DM response when a user follows
+```javascript
+
+// Settig up a user stream
+var stream = T.stream('user');
+
+function followed(eventMsg) {
+  console.log('Follow event!');
+  var name = eventMsg.source.name;
+  var screenName = eventMsg.source.screen_name;
+
+  // Anytime Someone follows me
+ stream.on('follow', followed);
+
+  // the post request for direct messages > need to add a function to handle errors
+
+  setTimeout(function() {  // wait 60 sec before sending direct message.
+    console.log("Direct Message sent");
+     T.post("direct_messages/new", {
+      screen_name: screenName,
+      text: 'Thanks for following' + ' ' + screenName + '! ' + ' What you want to be sent to a new follower '
+     });
+  }, 1000*10);  // will respond via direct message 10 seconds after a user follows.
+};
+```
+
 
 ## event: 'user_event'