Rename project to node-gdata and add an example of new API.

README.md

@@ -1,11 +1,27 @@
-node-gdocs
+node-gdata
 ==========
 
-As the name implies, this is a Google Documents List API client for
-node.js. Only the latest release (version 3) of the GData protocol
-supported.
+A Google Data API client for node.js. Only the latest release (version 3)
+of the GData protocol supported.
 
 Requirements
 ------------
 
 * [node-oauth](https://github.com/ciaranj/node-oauth)
+
+Example (Picasa Web Albums)
+---------------------------
+
+    var GDClient = require('node-gdata').GDClient;
+    var PICASA_ALBUMS_URL = 'https://picasaweb.google.com/data/feed/api/user/default';
+
+    var google = new GDClient('consumer key', 'consumer secret');
+
+    // call getAccessToken() to obtain, or setAccessToken() if you have one
+    google.setAccessToken('token', 'token secret');
+
+    google.get(PICASA_ALBUMS_URL, function(err, feed) {
+      feed.getEntries().forEach(function(entry) {
+        console.log('album: ' + entry.getTitle());
+      });
+    });