Summary:
TurboModules seem to be pretty much done, but there's no easy way to reference them on iOS side if you're linking the React project (the classic, non-CocoaPods way). So I added it.
Also updated RNTester (non-CP based) to compile TM samples
## Changelog
[iOS] [Added] - RCTTurboModule now available from RCTTurboModules.xcodeproj
Pull Request resolved: https://github.com/facebook/react-native/pull/25031
Test Plan:
~~1. Add `#import <jsireact/TurboCxxModule.h>` to a `.h` file on iOS project -- see if it compiles correctly~~
1. Open RNTester/RNTester.xcodeproj, compile, and see if TurboModule sample works
Reviewed By: hramos
Differential Revision: D16019600
Pulled By: fkgozali
fbshipit-source-id: 53c691f035a4e02abd7569840137705f3862be81