message: build(create-web-scripts-library): add publishConfig
diff: "devDependencies": {
  "@types/fs-extra": "^7.0.0",
  "tempy": "^0.3.0"
  + },
  + "publishConfig": {
  + "access": "public"
  + },
  + "engines": {
  + "node": ">=10"
  }
  }
  