With move-ins slated to begin this month, Landsea Homes is off to an auspicious start at Avora, its new upscale condominium project in the Port Imperial section of Weehawken. The developer has sold 40 percent of the project’s 183 homes — with a formula that includes resort-style amenities, sustainable construction and what Gabe Pasquale proudly describes as a “bullseye view” of Midtown Manhattan.