update docs

Author: fadi-george

examples/RNOneSignalTS/README.md

@@ -4,6 +4,9 @@ This is a new [**React Native**](https://reactnative.dev) project, bootstrapped
 
 > **Note**: Make sure you have completed the [Set Up Your Environment](https://reactnative.dev/docs/set-up-your-environment) guide before proceeding.
 
+Also make sure to run the link command in root:
+`bun link`
+
 ## Step 1: Start Metro
 
 First, you will need to run **Metro**, the JavaScript build tool for React Native.