Root package.json with nested scripts

package.json

{
  "stuff": "...",
  "scripts": {
    "postinstall": "run-p install:api install:web",
    "install:api": "cd api && npm install",
    "install:web": "cd web && npm install",

    "start": "run-p start:api start:web",
    "start:api": "npm run start --prefix api",
    "start:web": "npm run start --prefix web",

    "build": "run-p build:api build:web",
    "build:api": "cd api && npm run build",
    "build:web": "cd web && npm run build"
  },
  "devDependencies": {
    "npm-run-all": "^4.0.2"
  }
}