message: Add build command to example
diff: "main": "src/index.html",
  "license": "MIT",
  "scripts": {
  - "start": "parcel src/index.html"
  + "start": "parcel src/index.html",
  + "build": "parcel build src/index.html"
  },
  "devDependencies": {
  "@types/react": "^16.9.23",
  