It’s been a big year for Edith’s, the modern Jewish restaurant that opened and then closed a full-service restaurant in Williamsburg, before announcing plans to expand the business across the city. The latest development takes its owner, Elyssa Heller, to John F. Kennedy International Airport. Starting on July 25, Heller will serve Edith’s brisket sandwiches and tahini coffee slushies from the Delta Sky Club in Terminal 4, accessible to certain customers. The residency runs for three months