Create hello world turbo module for react native

[TimoGlastra]

Using react-native-tscodegen and writing the native module in c++. Should also be consumable as library. RN 0.65 and 0.66 have made improvements I think to using JSI and TurboModules. This is just to validate if we can already use it to build libraries. It's not clear to me yet how to do this.

The main thing I'm having trouble finding is calling C++ directly (so no Java/Swift in between)

Projects already using JSI:

• https://github.com/mrousavy/react-native-mmkv/blob/master/INSTALL.md
• https://github.com/mrousavy/react-native-multithreading

Otherwise looking at Kotlin / Swift would maybe be a good option (also for uniffi-rs)

• Create JSI library
• Call JSI method on Android
• Call JSI method on iOS
• Use react-native-tscodegen to generate c++ interface from TS interface

[TimoGlastra]

See https://github.com/blu3beri/react-native-awesome-module

[TimoGlastra]

https://github.com/blu3beri/react-native-turbomodule-tscodegen

[berendsliedrecht]

https://github.com/blu3beri/react-native-turbomodule-tscodegen

Android still needs to link for tscodegen to turbomodule. Will work on this soon.