Update README

Author: retyui

README.md

@@ -20,7 +20,9 @@ npm install @react-native-community/image-editor --save
 
 ### Install Pods
 
-`npx pod-install`
+```shell
+npx pod-install
+```
 
 ## Usage
 
@@ -61,7 +63,7 @@ cropData: ImageCropData = {
 };
 ```
 
-For more advanced usage check our [example app](/example/src/App.js).
+For more advanced usage check our [example app](/example/src/App.tsx).
 
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