There are certain foods people often associate with grilling. You can slow smoke a brisket, char a whack of burgers, or maybe even fire up some veggies if you’re trying to balance out the barbecue. Traeger, however, hopes hungry backyard cooks will use its new Timberline-series pellet grills to cook just about anything they can think of thanks to smart new additions like a modular accessory system, redesigned digital interface, and totally new induction burner outside the main cooking area. …