Tacos de Carnitas

Name: Tacos de Carnitas
Ingredients: 3 pounds pork shoulder, either butt or picnic; 7 strips orange zest; 5 garlic cloves, minced; 1 large onion, chopped, plus finely chopped onion for garnish; 1 1/4 teaspoons crushed red pepper flakes; 1 cinnamon stick, preferably Mexican canela; 2 bay leaves; 1 1/2 teaspoons crushed dried oregano leaves, preferably Mexican; 1 1/2 teaspoons kosher salt, more to taste; 1/4 teaspoon ground cloves; 24 small corn tortillas, warmed, for serving; Chopped cilantro for garnish; Salsa for garnish