From quiet Barnard to classic Woodstock, travel insiders reveal their favorite Vermont destinations for foliage, fireside evenings, and crisp autumn days.Chairs sitting under a vibrant maple tree during autumn in Vermont.Credit: jenifoto/Getty ImagesIt’s about time to dig through the back of your closet to pull out your sweater collection and swap it for the tank tops up front, because fall is nearly upon us. Which means it’s time to get cozy. A…