explaining sketch().run()

[tpltnt]

Hi there,

I added a small section on updating code to the guide. I did run into the sketch().run() thing and so I documented the solution in the guide. (Since the github issue feels like a temporary hack to me).

Cheers, tpltnt

[mitchmindtree]

As mentioned in my last comment, is it possible to move this to the existing Updating nannou section? I don't think we need a whole chapter for this.

In general, this sort of information is what the CHANGELOG is intended to provide. Perhaps instead of adding this section, we can move the CHANGELOG into the guide? I might do this as a part of nannou-org/nannou#449.

[tpltnt]

I missed the part about moving the text. I adjusted everything accordingly.