Setup development environment

1. Download Xcode
2. Download Android Studio and SDK download sdk
Open a react-native project from the android folder and click on gradle.build. Install the required sdk build tools that pop up in the requirements.
Open an avd manager via Tools > Android and create an emulator
3. Install brew Install brew and node
4. Install Node (with brew)
5. Install watchman (with brew)
6. Install Visual Studio Code