add experimental comments for istio properties in create domain inputs.

Author: davidzl

kubernetes/samples/scripts/create-weblogic-domain/domain-home-on-pv/create-domain-inputs.yaml

@@ -135,8 +135,10 @@ createDomainScriptName: create-domain-job.sh
 # so that the Kubernetes pod can use the scripts and supporting files to create a domain home.
 createDomainFilesDir: wlst
 
+# experimental
 # istioEnabled specifies whether or not it is deployed under Istio.
 istioEnabled: false
 
+# experimental
 # istioReadinessPort specifies the WebLogic port for readiness probe which is used under Istio.
 istioReadinessPort: 8888