Refactor breadcrumb structure for AKS enabled by Azure Arc

Author: asergaz

AKS-Arc/breadcrumb/toc.yml

@@ -1,12 +1,16 @@
-- name: Adaptive Cloud documentation
-  tocHref: /azure/adaptive-cloud/
-  topicHref: /azure/adaptive-cloud/index
-  items:
-  - name: AKS enabled by Azure Arc
-    tocHref: /azure/aks/aksarc/
-    topicHref: /azure/aks/aksarc/index
-###    items:
-### For contextual TOC
-  - name: AKS enabled by Azure Arc
-    tocHref: /azure/azure-arc/kubernetes/
-    topicHref: /azure/aks/aksarc/index
+- name: Azure
+  tocHref: /azure
+  topicHref: /azure/index
+  items: 
+  - name: Adaptive Cloud
+    tocHref: /azure/adaptive-cloud/
+    topicHref: /azure/adaptive-cloud/index
+    items:
+    - name: AKS enabled by Azure Arc
+      tocHref: /azure/aks/aksarc/
+      topicHref: /azure/aks/aksarc/index
+  ###    items:
+  ### For contextual TOC
+    - name: AKS enabled by Azure Arc
+      tocHref: /azure/azure-arc/kubernetes/
+      topicHref: /azure/aks/aksarc/index