doc(plugins/plugin-client-default): add submenu nesting for knative getting started content

Author: starpit

plugins/plugin-client-default/config.d/notebooks.json

@@ -28,41 +28,47 @@
       "label": "Knative",
       "expanded": false,
       "submenu": [
-        { "notebook": "Getting Started", "filepath": "/kui/kubernetes/knative-getting-started.md" },
         {
-          "label": "Serving",
+          "label": "Getting Started",
+          "expanded": false,
           "submenu": [
-            { "notebook": "First Knative Service", "filepath": "/kui/kubernetes/knative-first-service.md" },
-            { "notebook": "Scaling to Zero", "filepath": "/kui/kubernetes/knative-first-autoscale.md" },
-            { "notebook": "Traffic Splitting", "filepath": "/kui/kubernetes/knative-traffic-splitting.md" }
-          ]
-        },
-        {
-          "label": "Eventing",
-          "submenu": [
-            {
-              "notebook": "Introducing Knative Eventing",
-              "filepath": "/kui/kubernetes/knative-introducing-eventing.md"
-            },
-            {
-              "notebook": "Sources, Brokers, Triggers, Sinks",
-              "filepath": "/kui/kubernetes/knative-eventing-components.md"
-            },
+            { "notebook": "Quick start", "filepath": "/kui/kubernetes/knative-getting-started.md" },
             {
-              "notebook": "Introducing the CloudEvents Player",
-              "filepath": "/kui/kubernetes/knative-cloud-events-player.md"
+              "label": "Serving",
+              "submenu": [
+                { "notebook": "First Knative Service", "filepath": "/kui/kubernetes/knative-first-service.md" },
+                { "notebook": "Scaling to Zero", "filepath": "/kui/kubernetes/knative-first-autoscale.md" },
+                { "notebook": "Traffic Splitting", "filepath": "/kui/kubernetes/knative-traffic-splitting.md" }
+              ]
             },
             {
-              "notebook": "Creating your first Trigger",
-              "filepath": "/kui/kubernetes/knative-first-trigger.md"
+              "label": "Eventing",
+              "submenu": [
+                {
+                  "notebook": "Introducing Knative Eventing",
+                  "filepath": "/kui/kubernetes/knative-introducing-eventing.md"
+                },
+                {
+                  "notebook": "Sources, Brokers, Triggers, Sinks",
+                  "filepath": "/kui/kubernetes/knative-eventing-components.md"
+                },
+                {
+                  "notebook": "Introducing the CloudEvents Player",
+                  "filepath": "/kui/kubernetes/knative-cloud-events-player.md"
+                },
+                {
+                  "notebook": "Creating your first Trigger",
+                  "filepath": "/kui/kubernetes/knative-first-trigger.md"
+                },
+                {
+                  "notebook": "Clean Up",
+                  "filepath": "/kui/kubernetes/knative-clean-up.md"
+                }
+              ]
             },
-            {
-              "notebook": "Clean Up",
-              "filepath": "/kui/kubernetes/knative-clean-up.md"
-            }
+            { "notebook": "What's Next?", "filepath": "/kui/kubernetes/knative-whats-next.md" }
           ]
-        },
-        { "notebook": "What's Next?", "filepath": "/kui/kubernetes/knative-whats-next.md" }
+        }
       ]
     }
   ]