Update deploy-interactive to include note on pods (#19455)

* Update deploy-interactive to include note on pods

Signed-off-by: Dean Coakley <[email protected]>

* Update copy

Signed-off-by: Dean Coakley <[email protected]>

Author: Dean-Coakley

content/en/docs/tutorials/kubernetes-basics/deploy-app/deploy-interactive.html

@@ -17,6 +17,14 @@
 
     <main class="content katacoda-content">
 
+        <div class="row">
+            <div class="col-md-12">
+                <p>
+                    A Pod is the basic execution unit of a Kubernetes application. Each Pod represents a part of a workload that is running on your cluster. <a href="/docs/concepts/workloads/pods/pod-overview/#understanding-pods">Learn more about Pods</a>.
+                </p>
+            </div>
+        </div>
+
         <br>
         <div class="katacoda">
             <div class="katacoda__alert">