message: Add yarn scripts for build and test
diff: ]
  },
  "scripts": {
  + "build": "tsc",
  "prettier:ts": "prettier --parser typescript --single-quote true --trailing-comma es5 --write '{src,stories}/**/*.{ts,tsx}'",
  - "prettier:json": "prettier --parser json --write '**/*.json'"
  + "prettier:json": "prettier --parser json --write '**/*.json'",
  + "test": "jest",
  + "test:watch": "jest --watch"
  }
  }
  