A diminutive Japanese woman kneels, eyes closed, caressing a rug with open palms. She appears to be praying — to a house. She greets it, thanking it for its service. The camera pans to her American hosts, Kevin and Rachel. Ensconced in armchairs, struggling to keep a straight face, they look a little like children in church — and in a way, they are. In her new Netflix series, the decluttering guru