fix ingess nginx install in aks example (#27)

* fix ingess nginx install in aks example

* update

Author: anson627

examples/azure/aks-new_cluster/sample-values_nginx.yaml

@@ -1,4 +1,5 @@
 controller:
+  progressDeadlineSeconds: 600
   service:
     type: LoadBalancer
     annotations:
@@ -8,4 +9,4 @@ controller:
     enable-underscores-in-headers: true
     annotations-risk-level: "Critical"
   autoscaling:
-    enabled: true
+    enabled: true