WEBPACK and VUEJS https://itnext.io/vuejs-and-webpack-4-from-scratch-part-1-94c9c28a534a HMR https://itnext.io/vue-js-and-webpack-4-from-scratch-part-2-5038cc9deffb? linting https://itnext.io/vue-js-and-webpack-4-from-scratch-part-3-3f68d2a3c127?