Shrimp and Watermelon Skillet

Name: Shrimp and Watermelon Skillet
Ingredients: 2 whole-wheat pitas (8 inches each), both cut into 8 triangles; 2 tablespoons extra-virgin olive oil; 12 ounces medium shrimp, shelled and deveined; 1/2 cup sliced shallots; 4 cups cubed (1 inch) seedless watermelon; 1/4 teaspoon salt (preferably kosher); 1/4 teaspoon freshly ground black pepper; 1 large cucumber, peeled and chopped; 2 ounces crumbled feta; 2 tablespoons chopped fresh dill; 2 tablespoons chopped fresh mint; 2 limes, cut into wedges