Example code in the README has a missing import

[QuteBits]

Example code in the README has a missing import:

The snippet after "... If you prefer to manage the Container yourself, ...." should have
const { combine, label, json } = format; instead of
const { combine, json } = format;

[DABH]

Thanks, will quickly approve a PR to correct this.

[jleverenz]

Looks like this was fixed with #1733