Whether it’s your first time or your 100th time, if you are coming to Mexico City for the World Cup, you are probably stoked to eat. An epicenter of food, this city has a little bit of everything — from high-priced tasting menus to 10-cent street tacos. Almost every day, a new restaurant opens. But the city’s food scene also has deep roots nourished and maintained by hundreds of traditional restaurants and cantinas — places with a lot of ambian…