Hiding in plain sight in a warehouse on the corner of Claiborne Avenue and Bienville Street in the Treme, Seven Three Distilling has grand plans for New Orleans. Reflected in the company name, these plans involve creating a spirit for each of the city’s 73 official neighborhoods, such as St. Roch Vodka, which is the first in the lineup that’s available for purchase. This month, Seven Three will bottle two more: Gentilly Gin and a cucumber-infused version of St....