[docs] ImagePicker: Highlight React import (expo#18355)

Co-authored-by: Bartosz Kaszubowski <[email protected]>

Author: 2 people

docs/pages/tutorial/image-picker.md

@@ -87,6 +87,10 @@ Now we will take the data that we get from the image picker and use it to show t
 
 <!-- prettier-ignore -->
 ```js
+/* @info Import React to use useState */import React from 'react';/* @end */
+import { Image, StyleSheet, Text, TouchableOpacity, View } from 'react-native';
+import * as ImagePicker from 'expo-image-picker';
+
 export default function App() {
   /* @info Initialize a variable to hold our selected image data */const [selectedImage, setSelectedImage] = React.useState(null);/* @end */