message: chore: bootstrap with yarn --pure-lockfile
diff: "@version": "scripts/version.js"
  },
  "scripts": {
  - "bootstrap": "npx yarn install",
  + "bootstrap": "npx yarn install --pure-lockfile",
  "start": "cd interactjs; NODE_ENV=development ../scripts/bundle.js --watch",
  "bundle": "cd interactjs; NODE_ENV=production ../scripts/bundle.js",
  "esnext": "scripts/esnext-bin.js",
  