Starting react-addons module

We will use module merging to merge addons into the existing react
context.

react-addons/react-addons.d.ts

@@ -0,0 +1,14 @@
+// Type definitions for React with Addons 0.11.2
+// Project: http://facebook.github.io/react/
+// Definitions by: Asana <https://asana.com>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../react/react.d.ts" />
+
+declare module "react/addons" {
+    export = React;
+}
+
+declare module React {
+    export var addons: {};
+}