Multiple targets support webpack an extra package.json fields

[acacha]

Extra fields in package.json:

• jsdelivr: https://www.jsdelivr.com/
• unpkg: https://unpkg.com/#/

Examples in vue and vuex and multiselect: -https://github.com/vuejs/vue/blob/dev/package.json -https://github.com/vuejs/vuex/blob/dev/package.json

• https://github.com/shentao/vue-multiselect/blob/master/package.json

Multiple targets:

https://webpack.js.org/concepts/targets/#multiple-targets