install dependencies --> npm install
install babel and babel command line tooling --> npm install -g babel --> npm install -g babel-cli
create a file config.js into server/API and add twitter credentials:
!! Do not upload this file!!
{ consumer_key: '', consumer_secret: '', access_token_key: '', access_token_secret: '' }
open a shell in server/API and run command: --> babel-node index.js
install your favourite http server for the app: e.g. npm install -g http-server and run it: http-server
run the app in the browser
improve it!