Update README.md with download step

remarkablemark · remarkablemark · commit 3362fded5327 · 2016-05-26T23:46:59.000-04:00
diff --git a/README.md b/README.md
@@ -5,6 +5,8 @@ An example of a universal app built with React.
 ### Install
 
 ```sh
+$ git clone https://github.com/remarkablemark/universal-react-example.git # or download zip
+$ cd universal-react-example
 $ npm install
 ```
 
