Shrimp with Lemon Chive Tartar Sauce Ditalini Salad with Mixed Peppers

Name: Shrimp with Lemon-Chive Tartar Sauce, Ditalini Salad with Mixed Peppers
Ingredients: 2 tablespoons olive oil, divided; 2 pounds large or extra-large shrimp, peeled and deveined; Salt and freshly ground black pepper; 1 teaspoon dried oregano; 1/2 cup mayonnaise; 2 tablespoons minced fresh chives; 2 tablespoons minced sweet gherkins; 1 teaspoon finely grated lemon zest; Cooked ditalini (1 pound); 2 cups diced roasted red peppers (from water-packed jar); 1 bell pepper, seeded and diced; 1/3 cup diced pickled jalapeno peppers; 1/4 cup chopped fresh parsley leaves; 2 tablespoons red wine vinegar