✨ Added tutorial pattern

packages/tutorial/example/src/index.js

@@ -0,0 +1,11 @@
+import React from "react";
+import ReactDOM from "react-dom";
+import App from "./App";
+import * as serviceWorker from "./serviceWorker";
+
+ReactDOM.render(<App />, document.getElementById("root"));
+
+// If you want your app to work offline and load faster, you can change
+// unregister() to register() below. Note this comes with some pitfalls.
+// Learn more about service workers: http://bit.ly/CRA-PWA
+serviceWorker.unregister();