Today is le Jour du Macaron (Macaron Day) in France. Created four years ago through a collaboration between renowned pastry chef Pierre Hermé and other members of the prestigious Association Relais Desserts, le Jour du Macaron raises money and awareness for the Federation des Maladies Orphelines children’s charity. Pop into any participating patisserie- including the four Pierre Hermé Paris boutiques, and you’ll receive 4 scrumptious macarons–gratuit (that means they’re free)! Each shop will…