Marinated Zucchini with Garlic and Fresh Herbs

• 2 medium zucchini rinsed, ends trimmed off
• 1/2 tsp kosher salt

For the marinade

• 1/3 cup sunflower oil
• 4 Tbsp white vinegar
• 2 tsp honey
• 3 cloves garlic pressed
• 1 tsp kosher salt
• 1/3 tsp red pepper flakes plus more to taste
• 1/2 tsp black pepper freshly ground
• 1 tsp fresh basil finely chopped
• 1 tsp fresh parsley finely chopped
• 1 tsp fresh cilantro finely chopped