Orders-Create and process an Order (Server-side confirmation)

Number of APIs: 4

1. Create an order POST {{baseUrl}}/v1/orders

2. Submit an order POST {{baseUrl}}/v1/orders/{{orderId}}/submit

3. Confirm Payment POST {{baseUrl}}/v1/payment_intents/{{paymentIntentId}}/confirm

4. Add Payment Method to underlying Payment Intent POST {{baseUrl}}/v1/payment_intents/{{paymentIntentId}}