Generated using `create-rx-app sample-app`, added `build:android` and `build:ios`, added "@babel/runtime" and switch to Xcode legacy build, added `build/` prefix on derived path

ReactXP package.json

{
  "name": "sample-app",
  "private": true,
  "main": "index.js",
  "version": "0.0.1",
  "scripts": {
    "rn-cli": "node node_modules/react-native/local-cli/cli.js",
    "start:android": "npm run rn-cli -- run-android",
    "start:windows": "npm run rn-cli -- run-windows",
    "start:ios": "npm run rn-cli -- run-ios",
    "start:web": "cross-env platform=web webpack-dev-server --config=web/webpack/dev.js --progress --colors --mode=development",
    "start:rn-dev-server": "npm run rn-cli -- start --reset-cache",
    "build:ios": "npm run rn-cli -- run-ios --scheme JuryHelper-release --configuration Release",
    "build:android": "ENVFILE=.env.release npm run rn-cli -- run-android --variant=release",
    "build:web": "cross-env platform=web webpack --config=web/webpack/prod.js --progress --colors --mode=production",
    "build:types": "tsc --emitDeclarationOnly",
    "lint": "tslint -p tsconfig.json -r tslint.json",
    "type-check": "tsc --noEmit",
    "type-check:watch": "npm run type-check -- -w"
  },
  "devDependencies": {
    "@babel/core": "7.1.2",
    "@babel/plugin-proposal-decorators": "7.1.2",
    "@babel/preset-env": "7.1.0",
    "babel-loader": "8.0.4",
    "cross-env": "5.2.0",
    "fork-ts-checker-webpack-plugin": "0.4.12",
    "html-webpack-plugin": "3.2.0",
    "metro-react-native-babel-preset": "0.48.1",
    "rnpm-plugin-windows": "0.2.8",
    "tslint": "5.11.0",
    "tslint-react": "3.6.0",
    "typescript": "3.1.3",
    "webpack": "4.23.0",
    "webpack-cli": "3.1.2",
    "webpack-dev-server": "3.1.10",
    "webpack-merge": "4.1.4"
  },
  "dependencies": {
    "@babel/runtime": "^7.1.2",
    "aws-amplify": "^1.1.7",
    "react": "16.6.0",
    "react-dom": "16.6.0",
    "react-native": "0.57.3",
    "react-native-windows": "0.57.0-rc.0",
    "reactxp": "1.4.0"
  }
}