Hope King, author of Axios CloserIllustration: Aïda Amer/AxiosAmazon customers in the U.S. can now order food delivery inside Amazon's app through Grubhub, the companies announced early Thursday.Why it matters: "It's actually the first time we've had third party restaurant ordering inside the Amazon app," Jamil Ghani, worldwide VP of Amazon Prime, tells Axios in an interview.Driving the news: Amazon is deepening its partnership with Grubhub by embedding the food delivery platform into its ecosy...