Create example w/ Async/Await

[Dan Levy]

Add screen/Animated GIF to docs:

[Matthew Francis Brunetti]

Nice except the try {...} catch(ex){throw ex} is redundant (does nothing)

[Dan Levy]

Thanks @mattbrunetti - rethrowing in catch is basically doing nothing. 100% correct.

I'll change it to a console.error.

[Zachariah Lowe]

👍