message: fixed es2015 entrypoint
diff: "url": "https://github.com/odahcam/zxing-ts"
  },
  "private": false,
  - "main": "./bundles/zxing.js",
  + "main": "./bundles/core.js",
  + "es2015": "./bundles/core.min.js",
  "module": "./esm5/index.js",
  - "es2015": "./bundles/zxing.min.js",
  "typings": "./esm5/index.d.ts",
  "scripts": {
  "clean": "shx rm -rf bundles esm5",
  