doc react native code example

Example 1: react native docs

# Good documentation:
https://reactnative.dev/docs/getting-started
https://devdocs.io/react_native/

Example 2: react native

npx react-native init AwesomeProject

Example 3: react native

simple emulator android cli for running react native, flutter and more
here -> https://github.com/restuwahyu13/bangjago-emulator