adding targetPendingRequests to the xkcd helm chart (#373)

Signed-off-by: Aaron Schlesinger <aaron@ecomaz.net>

examples/xkcd/templates/httpscaledobject.yaml

@@ -4,6 +4,7 @@ metadata:
     name: {{ include "xkcd.fullname" . }}
 spec:
     host: {{ .Values.host }}
+    targetPendingRequests: {{ .Values.targetPendingRequests }}
     scaleTargetRef:
         deployment: {{ include "xkcd.fullname" . }}
         service: {{ include "xkcd.fullname" . }}

examples/xkcd/values.yaml

@@ -1,5 +1,6 @@
 replicaCount: 1
 host: myhost.com
+targetPendingRequests: 200
 # This is the namespace that the ingress should be installed
 # into. It should be set to the same namespace as the 
 # KEDA HTTP componentry is installed in. Defaults to the Helm