Adds support for:
- books.ottolenghi.co.uk (#1227)
- celebratingsweets.com (#1196)
- ingoodflavor.com (#1196)
- kalejunkie.com (#1204)
- kitchendreaming.com (#1196)
- leitesculinaria.com (#1196)
- myvegetarianroots.com (#1196)
- peelwithzeal.com (#1196)
- sandwichtribunal.com (#1196)
Improvements:
- streetkitchen.hu: additional field retrievals (#1183)
- whatsgabycooking.com: ingredient group support (#1210)
Bugfixes:
- streetkitchen.hu: field retrieval fixups (#1183)
Thank you, @bartaldavid @jknndy @tomtjes!