Added supported version info in the tabular format (#768)

* added supported version table

* Updated kafka version number

* Updated kafka version number

Author: dmuntima

documentation/book/assembly-overview.adoc

@@ -11,7 +11,7 @@
 
 {ProductName} makes it easy to run Apache Kafka on {ProductPlatformName}. Apache Kafka is a popular platform for streaming data delivery and processing. For more information about Apache Kafka, see the http://kafka.apache.org[Apache Kafka website^].
 
-{ProductName} is based on Apache Kafka 1.1.0 and consists of two main components:
+{ProductName} is based on Apache Kafka 2.0.0 and consists of two main components:
 
 Cluster Operator:: Responsible for deploying and managing Apache Kafka clusters within {ProductPlatformName} cluster.
 Topic Operator:: Responsible for managing Kafka topics within a Kafka cluster running within {ProductPlatformName} cluster.
@@ -20,4 +20,4 @@ This guide describes how to install and use {ProductLongName}.
 
 include::ref-key-features.adoc[leveloffset=+1]
 
-include::ref-document-conventions.adoc[leveloffset=+1]
+include::ref-document-conventions.adoc[leveloffset=+1]

documentation/book/getting-started.adoc

@@ -9,15 +9,30 @@
 [id='getting-started-{context}']
 = Getting started
 
-{ProductName} runs on
-ifdef::Kubernetes[{KubernetesLongName} {KubernetesVersion} and]
-{OpenShiftLongName} {OpenShiftVersion}.
-
 {ProductName} works on all kinds of clusters - from public and private clouds down to local deployments intended for development.
 This guide expects that an {ProductPlatformName} cluster is available and the
 ifdef::Kubernetes[`kubectl` and]
 `oc` command-line tools are installed and configured to connect to the running cluster.
 
+.Supported Versions
+[cols="50%,50%",options="header"]
+|====
+|Product 
+|Version
+
+ifdef::Kubernetes[]
+|{KubernetesLongName}
+|{KubernetesVersion}
+endif::Kubernetes[]
+
+|{OpenShiftLongName}
+|{OpenShiftVersion}
+
+|Apache Kafka
+|2.0.0
+
+|====
+
 ifdef::InstallationAppendix[]
 When no existing {ProductPlatformName} cluster is available, `Minikube` or `Minishift` can be used to create a local
 cluster. More details can be found in xref:installing_kubernetes_and_openshift_cluster[Installing Kubernetes and OpenShift clusters].