Prince Harry and Meghan Markle are ready to turn their new Montecito, California, house into a home, a source exclusively reveals in the new issue of Us Weekly.“Meghan’s taking time off to update some of the rooms to suit their style, including their and Archie’s bedrooms, the main living area, the kitchen and the gym,” says the source.The former actress, 39, and the former military pilot, 35, also plan to make a special, fun place for their 15-month-old son next to their rose garden, swimming