Slow Cooker Root Beer Pulled Pork Sliders

Name: Slow Cooker Root Beer Pulled Pork Sliders
Ingredients: * 2 tablespoon oil; * 3 pound pork loin roast; * 1 medium onion, peeled and chopped; * 2 1/2 teaspoon salt; * 1/2 teaspoon pepper; * 3 cup root beer; * 1-1/2 cup chili sauce; * 24 slider bun; for the coleslaw; * 1/2 head cabbage, shredded; * 1/4 head red cabbage, shredded; * 1 large carrot, peeled and shredded; * 1/2 cup mayonnaise; * 1 tablespoon cider vinegar; * 1/2 teaspoon sugar; * 1/2 teaspoon celery seed; * salt and pepper to taste