RALEIGH — Appalachian State has quietly built one of the nation’s top programs outside of the Power Five. Now the Mountaineers will look to take the next step. App has gone to six straight bowls, winning them all, sent their last two coaches to ACC and SEC head jobs, respectively, and last year snapped a string of four straight Sun Belt titles. This year, the Mountaineers return 17 starters, add veteran talent and have a schedule that could put them on the national radar, if things go well. Quarterback: Chase Brice arrives after a disappointing year as the Duke starter.…