Update index.yml

Author: ju-shim

articles/index.yml

@@ -451,6 +451,13 @@ productDirectory:
         - web
       url: spring-apps/index.yml
     # Card
+    - title: Azure Compute Fleet (Preview)
+      summary: Easily provision and manage Azure compute capacity at scale
+      imageSrc: ./media/index/virtual-machine.svg
+      azureCategories:
+        - compute
+      url: ./azure-compute-fleet/overview.md
+    # Card
     - title: Azure VMware Solution
       summary: Run your VMware workloads natively on Azure
       imageSrc: ./media/index/azure-vmware.svg