Kong for Kubernetes config generation improvements

• If multiple Ingress documents exist, they must have unique names. Otherwise, running kubectl will overwrite the previous one - #2163 • Consider adding [konghq.com/protocols]( annotation explicitly, to retain more routing information if a service can be both http and https. - Currently, a server being http or https doesn't do anything to the ingress document (as the protocol is stripped). It is only the existence of a tls section that modifies the Ingress document. - How should the annotation be controlled? What decides whether the annotation says http, or http,https, or https? • Generate a k8s service manifest with unique names - a service can be for [multiple ports]( (ie. support both http and https) - The konghq.com/plugins annotation can be applied to a service specifically. If the same plugin is applied to a service and the ingress document, which takes precendence? (If this behaves as expected, our conversion implementation can be simplifie…