{
  "dependencies": {
    "babel-preset-react": "~6.24.1",
    "prop-types": "~15.6.0",
    "react": "~15.4.2",
    "react-dom": "~15.4.2",
    "redbox-react": "1.6.0"
  },
  "devDependencies": {
    "webpack-cli": "^2.0.10",
    "webpack-dev-server": "^2.11.1"
  }
}

{
  "dependencies": {
    "babel-preset-react": "~6.24.1",
    "prop-types": "~15.6.0",
    "react": "~15.4.2",
    "react-dom": "~15.4.2",
    "react-router-dom": "5.0.0",
    "redbox-react": "1.6.0"
  },
  "devDependencies": {
    "webpack-cli": "^2.0.10",
    "webpack-dev-server": "^2.11.1"
  }
}

Add react router to dependencies
Add react router to dependencies
