Grilled Flank Steak and Veggies

Name: Grilled Flank Steak and Veggies
Cuisine: American
Ingredients: large flank steak; 6 oz. Ginger Ale; 2 Tbsp. soy sauce; 1 zucchini (sliced); 1 purple onion (coarsely chopped); 2 red or yellow peppers (coarsely chopped); 1 tsp. olive oil; 2 Tbsp. brown sugar; 2 tsp. seasoning salt; 1/2 tsp. chili powder; 1/2 tsp. smoked paprika; 1/4 tsp. pepper; 1/4 tsp. cayenne pepper; 1/2 tsp. seasoning salt; aluminum foil