A new kind of coffee-centric cafe plans to open in St. Louis' old-school Italian neighborhood this spring.Married couple Ricardo and Jessica Hayes and their business partner Pete Nicolazzi plan to call their spot La Luna Cafe — an homage to both the Italian word for "moon" and the Hayes' newborn daughter, Luna. They're currently overhauling the space on the Hill that previously held Hanneke Hardware, located at 5290 Southwest Avenue.…