KEP 1645: add traffic distribution and internal traffic policies fields

Signed-off-by: Arthur Outhenin-Chalandre <arthur@cri.epita.fr>

Author: MrFreezeex

keps/sig-multicluster/1645-multi-cluster-services-api/README.md

@@ -575,6 +575,10 @@ type ServiceImportSpec struct {
   SessionAffinity corev1.ServiceAffinity `json:"sessionAffinity"`
   // +optional
   SessionAffinityConfig *corev1.SessionAffinityConfig `json:"sessionAffinityConfig"`
+  // +optional
+  InternalTrafficPolicy *corev1.ServiceInternalTrafficPolicy `json:"internalTrafficPolicy,omitempty"`
+  // +optional
+  TrafficDistribution *string `json:"trafficDistribution,omitempty"`
 }
 
 // ServicePort represents the port on which the service is exposed