update quickstart based on user feedback (#1584)

* update quickstart based on user feedback

* address review feedbacl

Author: markxnelson

docs-source/content/quickstart/create-domain.md

@@ -25,6 +25,9 @@ weight: 6
 1.	Create a new image with a domain home by running the [create-domain](http://github.com/oracle/weblogic-kubernetes-operator/blob/master/kubernetes/samples/scripts/create-weblogic-domain/domain-home-in-image/create-domain.sh) script. First, copy the sample [create-domain-inputs.yaml](http://github.com/oracle/weblogic-kubernetes-operator/blob/master/kubernetes/samples/scripts/create-weblogic-domain/domain-home-in-image/create-domain-inputs.yaml) file and update your copy with:  
        * `domainUID`: `sample-domain1`
        * `image`: Leave empty unless you need to tag the new image that the script builds to a different name.
+          For example if you are using a remote cluster that will need to pull the image from a Docker registry, 
+          then you should set this value to the fully qualified image name.  Note that you will need to 
+          push the image manually. 
        * `weblogicCredentialsSecretName`: `sample-domain1-weblogic-credentials`
        * `namespace`: `sample-domain1-ns`
        * `domainHomeImageBase`: `container-registry.oracle.com/middleware/weblogic:12.2.1.3`