Use node to build and install dependencies.
cd into /server/client, run:
npm install -g browserifynpm installbrowserify src/app.js -o dst/bundle.js -t [ babelify --presets [ es2015 ] ](createsdst/bundle.jsJS file)
(index.html should be picking up the dst/bundle to load)
Use sass to generate the CSS.
cd into /server/client, run:
sass --watch scss:css(creates thecss/style.cssCSS file)