Smashed Feta Flatbreads With Crispy Chickpeas

• 1.333 cup self-raising flour
• 1.25 cup Greek yoghurt
• 1 tsp salt
• 2 tsp extra virgin olive oil
• 400 g tin chickpeas, drained and rinsed
• 200 g feta
• 1 cucumber, diced
• 0.25 cup dill, finely chopped
• 0.25 cup parsley, finely chopped
• 0.25 cup pickled red onion