Filipino Salad Crêpes

Name: Filipino Salad Crêpes
Ingredients: 1 egg (large); Fine salt; 1 cup all-purpose flour; 1 tablespoon grapeseed oil (plus more for brushing); ½ cup smooth peanut butter; ½ cup unsweetened coconut milk; 1 tablespoon tamari (or soy sauce); 1 garlic clove (finely grated); 1 green mango (unripe, peeled and julienned); 1 cup carrot (julienned); 1 cup daikon (julienned); 1 cup English cucumber (julienned); ½ cup mint leaves (torn); ½ cup cilantro (lightly packed chopped); butter lettuce leaves (Small); peanuts (roasted, chopped); coconut vinegar (for serving)