message: Replace package.json `browser` field with `unpkg` - webpack will use `browser` by default which we don't want since we bundle all dependencies.
diff: "version": "19.0.0",
  "description": "The Blockstack Javascript library for authentication, identity, and storage.",
  "main": "lib/index",
  - "browser": "dist/blockstack.js",
  + "unpkg": "dist/blockstack.js",
  "scripts": {
  "build": "npm run build:node && npm run build:webpack && npm run build-documentation",
  "build:webpack": "shx rm -rf dist/* && cross-env NODE_ENV=production webpack --mode=production",
  