Chile Vinegar Marinated Skirt Steak with Onion Cilantro Relish

Name: Chile Vinegar Marinated Skirt Steak with Onion Cilantro Relish
Ingredients: 1 small white onion, peeled and minced; 1 serrano chile, stemmed, seeded and minced; 2 bunches cilantro leaves, leaves only chopped; 1 teaspoon salt; Juice of 1 lime; 1 tablespoon olive oil; 4 dried Pasilla chiles; 4 arbol chiles; 2 teaspoons cumin seeds; 1 garlic clove, minced; 1 jalapeno chile, stemmed, seeded and coarsely chopped; 1/2 cup red wine vinegar; 1/2 cup olive oil; 1 1/2 teaspoons salt; 2 pounds trimmed skirt steak