Fixed navigation adoc
-* xref:index.adoc[About]
-* xref:try-it-out-locally.adoc[Try it out locally]
-* xref:try-it-out-on-openshift-with-strimzi.adoc[Try it out on OpenShift with Strimzi]
+* xref:getting-started.adoc[Getting started]
+** xref:try-it-out-locally.adoc[Try it locally]
+** xref:try-it-out-on-openshift-with-strimzi.adoc[Try it on OpenShift cluster]
+** xref:getting-started-with-packages.adoc[Packages documentation]
