Creamy Coconutty Shrimp Salad

Name: Creamy Coconutty Shrimp Salad
Ingredients: 1 large lime; 2 garlic cloves, smashed; 1 13.5-oz. can unsweetened coconut milk; 2 tsp. fish sauce; 1 lb. large shrimp, peeled, deveined, patted dry; Kosher salt, freshly ground pepper; ½ small red onion, thinly sliced; 1 small jalapeño, thinly sliced on a diagonal, seeds removed if desired; ½ cup cherry tomatoes, preferably heirloom, halved, quartered if large; 1 cup (packed) coarsely chopped cilantro; High-quality extra-virgin olive oil (for serving); 1 cup tortilla chips, lightly crushed; Flaky sea salt