webpack-intro
npm install -g webpack
webpack --entry ./src/index.js --output-filename app.js
npm install css-loader --save-dev
npm install style-loader --save-dev
npm install webpack-dev-server --save-dev
npm install -g webpack
webpack --entry ./src/index.js --output-filename app.js
npm install css-loader --save-dev
npm install style-loader --save-dev
npm install webpack-dev-server --save-dev