LONDON — Zipping around central London, among the bikes and scooters of Uber Eats, Just Eat and Deliveroo, is a new entrant promising almost instantaneous satisfaction for your craving for a bar of chocolate or pint of ice cream: Getir, a Turkish company that says it will deliver your groceries in 10 minutes.The speed of Getir’s deliveries, from a network of neighborhood warehouses, matches the astonishing pace of the company’s recent expansion. After five and a half years pioneering the model in Turkey, it suddenly opened in six European countries this year, bought a rival and, by the end …
