Concurrent Mode - Package.json

package.json

{
  "name": "concurrent-mode-example",
  "version": "0.1.0",
  "private": true,
  "dependencies": {
    "bootstrap": "^4.5.2",
    "react-bootstrap": "^1.3.0",
    "react": "0.0.0-experimental-94c0244ba",
    "react-dom": "0.0.0-experimental-94c0244ba",
    "react-scripts": "3.4.3"
   
  },
  "scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build",
    "test": "react-scripts test",
    "eject": "react-scripts eject"
  },
  "eslintConfig": {
    "extends": "react-app"
  },
  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  }
}