A fast-growing Prosser winery is the latest addition to Vintner’s Village.WIT Cellars, formed in 2016 by three former Kestrel Vintners winemakers, bought the Gamache Vintners four-acre property at 505 Cabernet Court for $1 million in June.WIT owners Flint Nelson, Gina Adams and Cat Warwick were considering building their own winemaking...