Update README.md

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README.md

@@ -10,7 +10,7 @@ A few resources to get you started if this is your first Flutter project:
 
 - [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab)
 - [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook)
-![img](images/953.png)
+![img](images/957.png)
 For help getting started with Flutter development, view the
 [online documentation](https://docs.flutter.dev/), which offers tutorials,
 samples, guidance on mobile development, and a full API reference.