In Montpelier, Vermont, a mansion dating to 1907 is being repurposed in an unexpected way. After about a decade as office space, the property is now becoming a shared-living community called Threshold Village, and its former parking area has been planted with peas, oats, and tillage radishes. What's happening? According to The Bridge, the colonial-style house sits on 3.6 acres and is being renovated to include 13 bedrooms, eight bathrooms, and a…