add app description which provide app abstract for project dashboard (#2524)

stable/acs-engine-autoscaler/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 description: Scales worker nodes within agent pools
 icon: https://github.com/kubernetes/kubernetes/blob/master/logo/logo.png
 name: acs-engine-autoscaler
-version: 2.1.0
+version: 2.1.1
 appVersion: 2.1.1
 sources:
 - https://github.com/wbuchwalter/Kubernetes-acs-engine-autoscaler

stable/acs-engine-autoscaler/templates/deployment.yaml

@@ -5,6 +5,8 @@ metadata:
   name: {{ template "acs-engine-autoscaler.fullname" . }}
   labels:
 {{ include "acs-engine-autoscaler.labels.standard" . | indent 4 }}
+  annotations:
+    description: {{ .Chart.Description }}
 spec:
   replicas: {{ .Values.replicaCount }}
   template:
@@ -80,4 +82,4 @@ spec:
         imagePullPolicy: {{ .Values.image.pullPolicy }}
       restartPolicy: Always
       dnsPolicy: Default
-{{ end }}
+{{ end }}