Expose Kind field for Consul Service Registrations (#26170)

* consul: Add service kind to jobspec

* consul: Add kind to service docs

* Add changelog

api/services.go

@@ -254,6 +254,9 @@ type Service struct {
 
 	// Cluster is valid only for Nomad Enterprise with provider: consul
 	Cluster string `hcl:"cluster,optional"`
+
+	// Kind defines the consul service kind, valid only when provider: consul
+	Kind string `hcl:"kind,optional"`
 }
 
 const (