What a week it was for Gisele Bundchen — she gave birth to a baby boy and is millions of dollars richer. The supermodel sold her West Village townhouse — massively boosting the nest egg she shares with hubby Tom Brady, reports The Post’s Jennifer Gould Keil. Bundchen bought the five-story house for $5.8 million in 2005, then listed it for $13.9 million with broker Raphael De Niro, and got $13 million for it. Although Alex Rodriguez checked out the place with Kate Hudson, sources say the buyer is an out-of-state financier who will use it as a pied-a-terre.