message: chore(playground): set publishConfig
diff: "resolutions": {
  "babel-core": "7.0.0-bridge.0",
  "core-js": "^3.6.4"
  + },
  + "publishConfig": {
  + "access": "restricted",
  + "registry": "https://packages.shopify.io/shopify/node/npm/"
  }
  }
  