Spicy Shrimp and Bok Choy Stir Fry

1 whole fresno chile

1 tsp kosher salt

3 tbsp avocado oil

2 tbsp coconut aminos

1 1/2 lbs peeled and deveined jumbo shrimp

3 cloves garlic

1/2 tsp black pepper

2 heads baby bok choy

1 tsp toasted sesame oil