### Issue description It would be good to explore the integration with payments solutions such as: [Stripe](https://stripe.com/docs), [Braintree](https://developer.paypal.com/braintree/docs/), [Redsys](https://pagosonline.redsys.es/conexion-rest.html). Having good integrations with payment solutions will allow companies to start saas applications with Micronaut Framework.
