Construindo um website em React

diff --git a/src/App.js b/src/App.js
index 30f7427..23045cf 100644
--- a/src/App.js
+++ b/src/App.js
@@ -2,11 +2,13 @@ import React from 'react'
 import './App.css'
 import Menu from './Menu'
 import Header from './Header'
+import Main from './Main'

 const App = _ =>
   <>
     <Menu/>
     <Header/>
+    <Main/>
   </>

 export default App

3$ git-apply aj.diff src/App.js