Thierry and Nathalie Langer own the three Kaisy’s Delights locations. (Kaisy’s Delights) It is hard to miss Kaisy’s Delights in Lewes. The building at Savannah and Wescoats roads resembles a mountain chalet. And then there are the colors: Lily Pulitzer pink and lime green. Locals and frequent visitors belly up to the counter for the coffee — La Colombe — …