Crockpot BBQ Beer Pulled Pork Tacos with Crispy Onion Straws and Mango Salsa

• 1 pork shoulder roast 3.5-pound, bone-in
• 1 tablespoon onion powder
• 1 tablespoon smoked paprika
• 1 teaspoon garlic powder
• 1/2 teaspoon salt
• 1/2 teaspoon black pepper
• 12 ounces beer
• 32 ounces barbecue sauce additional for drizzling
• 12 flour tortilla or corn tortilla, small
• 4-6 ounces cheddar cheese freshly grated
• 1 onion crispy onion straws, batch

Mango Salsa

• 1 Mango peeled and chopped
• 1/4 red onion finely diced
• 1/2 jalapeno pepper finely diced
• 1 cilantro chopped, bunch
• lime juice of 1
• 1/4 teaspoon salt
• 1/4 teaspoon black pepper