OSSM Federation failover Doc Update Example yaml contents

kind: ImportedServiceSet
apiVersion: federation.maistra.io/v1
metadata:
  name: red-mesh #name of mesh that exported the service
  namespace: green-mesh-system #mesh namespace that service is being imported into
spec:
  importRules: # first matching rule is used
  # import ratings.bookinfo as ratings.bookinfo
  - type: NameSelector
    importAsLocal: true
    nameSelector:
      namespace: bookinfo
      name: ratings
      alias:
        # service will be imported as ratings.bookinfo.svc.cluster.local
        namespace: bookinfo
        name: ratings
  #Locality within which imported services should be associated.
  locality:
    region: us-west

apiVersion: networking.istio.io/v1beta1
kind: DestinationRule
metadata:
  name: default-failover
  namespace: bookinfo
spec:
  host: "ratings.bookinfo.svc.cluster.local"
  trafficPolicy:
    loadBalancer:
      localityLbSetting:
        enabled: true
        failover:
          - from: us-east
            to: us-west
    outlierDetection:
      consecutive5xxErrors: 3
      interval: 10s
      baseEjectionTime: 1m