Grilled Green Beans

Name: Grilled Green Beans
Ingredients: 1 pound haricot vert (ends trimmed as needed); 1/4 cup extra virgin olive oil (plus extra for grilling green beans); Maldon salt and freshly ground black pepper; 1 lemon (zested and juiced); 2 tablespoons red wine vinegar; 1 tablespoon chopped dill (plus more for garnish); 1 tablespoon chopped chives (plus more for garnish); 10 mint leaves (plus more for garnish); 3 multi-colored radishes (thinly sliced); ¼ red onion (thinly sliced); 1 avocado (sliced into thin wedges); ½ cup cooked farro; ½ cup sheet feta (crumbled into large chunks)