[ReactNative] 개발환경 세팅

• MacOS

1. brew install node

2. brew install watchman

3. npm install -g react-native-cli

4. Xcode 설치

5. brew tab AdoptOpenJDK/openjdk
   brew install —cask adoptopenjdk8

6. 안드로이드 스튜디오 설치

7. vi ~/.zshrc

export ANDROID_HOME=$HOME/Library/Android/sdk
export PATH=$PATH:$ANDROID_HOME/emulator
export PATH=$PATH:$ANDROID_HOME/tools
export PATH=$PATH:$ANDROID_HOME/tools/bin
export PATH=$PATH:$ANDROID_HOME/platform-tools

8. 안드로이드 스튜디오 실행 → AVD Manager → 에뮬레이터 설정 (API 29)