Restructure folder and completed 1.6

part1/1.6-1.11-unicafe/src/App.js

@@ -0,0 +1,23 @@
+import React, { useState } from 'react'
+
+const App = () => {
+  // save clicks of each button to its own state
+  const [good, setGood] = useState(0)
+  const [neutral, setNeutral] = useState(0)
+  const [bad, setBad] = useState(0)
+
+  return (
+    <div>
+      <h1>Give feedback</h1>
+      <button onClick={() => setGood(good + 1)}>good</button>
+      <button onClick={() => setNeutral(neutral + 1)}>neutral</button>
+      <button onClick={() => setBad(bad + 1)}>bad</button>
+      <h1>Statistic</h1>
+      <p>Good: {good}</p>
+      <p>Neutral: {neutral}</p>
+      <p>Bad: {bad}</p>
+    </div>
+  )
+}
+
+export default App