[React Native] Create Project

1. 새 프로젝트 생성

$ react-native init --version 0.68.2 Flit_customer

최종 버전
Xcode = 14.1
java = 11.0.8
nvm = 0.33.11
npm = 8.11.0
node = 16.16.0
pod = 1.11.3
react-native-cli : 2.0.1
react-native = 0.68.2
ios simulator = 14.x 16.x
android simulator = 10.x(Q), 13.x(T)

2. iOS 실행

$ npm start
$ react-native run-ios
$ react-native run-ios --simulator="iPhone 12"

3. Android 실행

$ react-native run-android