A former Hertz parking garage now offers some of Greenwich Village’s most desirable condos. Together the developers at DHA Capital and Continental Properties and the architects at CetraRuddy remodeled the 83-year-old building with contemporary touches, which include a four-story glass addition at the top, while remaining true to the original early ’30s design. Only several months after construction began at 12 East 13th Street, five of the building’s eight total units went on the market in November. The highli…