npm i inside root directory.
REACT_APP_NODE_URL= # node-url without ports eg. http://0.0.0.0
To run the demo install [CasperLabs Signer - chrome extension] and create / import your private key. Run npm start and connect to the site from Signer window.
You will need to start browser with CORS disabled - eg. for Chrome on Mac open -n -a /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --args --user-data-dir="/tmp/chrome_dev_test" --disable-web-security