Cheesy Chicken Parmesan–Stuffed Rolls

24 dinner rolls
6 cloves minced garlic 
1 onion chopped
1 tablespoon oregano
1 tablespoon basil
½ teaspoon chili flakes
¼ teaspoon pepper
½ teaspoon salt
3 cups marinara sauce
1 pound shredded rotisserie/cooked chicken
1 cup shredded parmesan cheese
1 pound fresh mozzarella, sliced