README needs updating

[MalekLahbib]

Here's what I get when I try to run ./build/faucet:

So, or the Readme file is not up to date, or the faucet executable is not working as it should.

[zivkovicmilos]

I've pinged @leohhhn to take up updating the README and adding tutorials / more reference docs to the official Gno documentation 🙏

Thank you for opening up the issue

[leohhhn]

@MalekLahbib Thanks! Getting to this now. I updated the README to match the correct usage: #32