expo-eas-app-extension-test

1. Replace com.tylerchurch.expoeasappextensiontest in this project with a unique identifier that is usable by your Apple Developer account.
2. npm install
3. expo prebuild
4. It will likely fail due to the identifier not having the SiriKit capability. Open up https://developer.apple.com and add the SiriKit capability.
5. rm -rf ios; expo run:ios --no-build-cache
6. The app should now be running, displaying a message like Shortcuts says: null. If you open the Apple Shortcuts app and add a shortcut that uses the app, you'll see the data appear when you run it.
7. eas build -p ios - This will fail in the archive step will a code signing error.