Grilled Chicken Wings With Summer Berry Agrodolce

Name: Grilled Chicken Wings With Summer Berry Agrodolce
Ingredients: 3 small handfuls any combination mint, cilantro, and/or parsley; 1 lemon; 1 shallot; 2 Tbsp. vegetable oil, plus more for baking sheet (optional); 3 tsp. Diamond Crystal or 1½ tsp. Morton kosher salt, divided, plus more; 1 tsp. freshly ground black pepper, divided, plus more; ¼ tsp. crushed red pepper flakes; 1 10-oz. bag frozen mixed berries; ¼ cup honey; 3 Tbsp. (or more) apple cider vinegar; 2 lb. chicken wings, drumettes and flats separated