Updating helm chart and improving style (#7)

* moved workflow CRD into helpers.tpl

* added new values to values.yaml

* added UI cluster role and binding

* add workflow controller cluster role and binding

* added ui service account creator

* added workflow controller service account yaml

* reformatted values.yaml to group similar items

* tweaked files to reflect values.yaml changes

* setup minio stuff to match subchart model

* changes to reflect minio rework

* added README to explain chart a bit

* changes made to reflect minio values changes

* changes to reflect minio values changes (again)

* updating minio to latest version

* move the crd definition into it's own tpl file

charts/argo/templates/_workflow-crd.json

@@ -1,19 +0,0 @@
-{{- define "workflow-crd-json" }}
-{
-  "apiVersion": "apiextensions.k8s.io/v1beta1",
-  "kind": "CustomResourceDefinition",
-  "metadata": {
-    "name": "workflows.argoproj.io"
-  },
-  "spec": {
-    "group": "argoproj.io",
-    "names": {
-      "kind": "Workflow",
-      "plural": "workflows",
-      "shortNames": ["wf"]
-    },
-    "scope": "Namespaced",
-    "version": "v1alpha1"
-  }
-}
-{{- end}}