bundle-badge: minified + gzipped size badges for npm packages

  /minzip/<package>[/<version>]   minified and gzipped, with dependencies
  /min/<package>[/<version>]      minified, with dependencies
  /package/<package>[/<version>]  a page with both sizes and past versions

Examples:
  /minzip/@acusti/dropdown
  /minzip/clsx/2.1.1