1102 Washington St., Hoboken, N.J. Long before opening a French-accented jewelry boutique in Hoboken, N.J., Nicole Corriher felt a special affinity for all things Parisian. Her husband proposed in Paris, and their wedding reception decor included an Eiffel Tower covered in lights. So when Corriher spotted an empty storefront on Hoboken’s busiest street, she knew exactly what to do with it. Open since last May, The Golden Carrot has become a destination for stylish young moms who share Corriher’s taste for delicate pieces by designers such as Jennie Kwon and Erica Weiner. It’s like a trip to the Left Bank in the hometown of Frank Sinatra.  Retailing Rookie A former actress, Corriher is almost certainly the only boutique owner who has guest-starred in two versions of Law & Order and an episode of Gossip Girl. Her passion for performing cooled after a L&O shoot took