[argo-events] v0.11 update (#162)

* Updating for events 0.11

* Adding note to the README about how to install CRDs from github

* Fixing handling of serviceAccount variable inside of loops

charts/argo-events/templates/argo-events-cluster-roles.yaml

@@ -11,9 +11,10 @@ subjects:
     name: {{ .Values.serviceAccount }}
     namespace: {{ .Release.Namespace }}
   {{- if .Values.additionalSaNamespaces }}
+  {{ $sa := .Values.serviceAccount }}
   {{- range $namespace := .Values.additionalSaNamespaces }}
   - kind: ServiceAccount
-    name: {{ .Values.serviceAccount }}
+    name: {{ $sa }}
     namespace: {{ $namespace }}
   {{- end }}
   {{- end }}
@@ -51,6 +52,8 @@ rules:
     resources:
       - workflows
       - workflows/finalizers
+      - workflowtemplates
+      - workflowtemplates/finalizers
       - gateways
       - gateways/finalizers
       - sensors