Mention `{:#?}` formatting
Mention `{:#?}` formatting

In the chapter on JSON parsing, you introduce the `Debug`. I propose you also introduce the 'alternate'/pretty-printed form `{:#?}` which renders much more readable output.

The new output was actually generated like this: https://is.gd/QahSp0
Mercateo/rust-for-node-developers,Mercateo/rust-for-node-developers,Mercateo/rust-for-node-developers