Steak Salad with Herbs

INGREDIENTS

• 1 shallot, thinly sliced crosswise, separated into rings
• 1/4 red wine vinegar
• 1/2 plus 2 tablespoons olive oil
• Kosher salt, freshly ground pepper
• 1 medium eggplant, cut lengthwise into 1-inch wedges, wedges halved crosswise
• 2 ears of corn, husked
• 1 hanger or skirt steak
• 2 baby arugula
• 2 (packed) assorted fresh tender herb leaves (such as basil, cilantro, and mint)