Photography by Natalie Chitwood After designing four stores for a client base that’s both adventurous and stylish, Andrea Westerlind set about transforming her Ashley Falls, NY home to suit her impeccable taste—and she plans to make everything in it available to her customers.  Roughly 20 yards from Westerlind’s (stunning) front door, a line of railroad tracks hug the western edge of her property. They’re partially disguised, thanks to a smattering of trees and shrubs, and if you hadn’t noticed the official railroad crossing near her driveway’s entrance, you’d be forgiven for missing it entirely. But it’s still in use, all right,…