Update README.md

Author: wayne214

README.md

@@ -38,6 +38,10 @@ class MyWebComponent extends Component {
         source={{ uri: 'https://infinite.red/react-native' }}
         style={{ marginTop: 20 }}
         onLoadProgress={e=>console.log(e.nativeEvent.progress)}
+        onShouldStartLoadWithRequest={e=>{
+        console.log(e.nativeEvent.progress)
+        return true
+        }}
       />
     );
   }