Move demo to surge

[goldylucks]

I'm using surge in most of my projects and it works beautifully.

I can prepare a PR with a single deploy script in package.json so you could just do npm run deploy and it will be done.

Let me know :)

[narendrashetty]

@goldylucks Please go ahead and send a PR on this 👍

[espipj]

https://uberweb.herokuapp.com/ seems down to me Might be worth moving the demo to surge now? 😉