With its classic landmarks and its historic boulevards, Paris is timeless in its appeal. But the City of Light is always turning up new hotspots —a trendy new café, a buzzy of-the-moment hotel, even a recently-opened perfume museum—that are just as worth adding to your Paris itinerary. To get the lowdown on the city’s best new spots to eat, drink, sleep and play, we teamed up with the style setters at French luxury resale site Vestiaire Collective, who also shared six must-have pieces you…