message: set esm module in package, to enable resolving from bundling tools like webpack
  (reverted from commit 6e84d6647820aa231aa8903e77e2ce8de2e4d5a2)
diff: "version": "2.0.0-rc.8",
  "description": "Simple Vue.js input validation plugin",
  "main": "dist/vee-validate.js",
  - "module": "dist/vee-validate.esm.js",
  "typings": "types/index.d.ts",
  "homepage": "http://vee-validate.logaretm.com",
  "repository": "https://github.com/baianat/vee-validate",
  