✨ feat: yarn instead of npm

Author: baronha

docs/docs/GETTING_STARTED.mdx

@@ -49,7 +49,7 @@ Install [@baronha/react-native-multiple-image-picker](https://www.npmjs.com/pack
 <TabItem value="rn">
 
 ```bash
-npm i @baronha/react-native-multiple-image-picker react-native-nitro-modules
+yarn add @baronha/react-native-multiple-image-picker react-native-nitro-modules
 cd ios && pod install
 ```