Add helm deployment

roles/kubernetes-apps/helm/templates/helm-container.j2

@@ -0,0 +1,10 @@
+#!/bin/bash
+{{ docker_bin_dir }}/docker run --rm \
+  --net=host \
+  --name=helm \
+  -v /etc/ssl:/etc/ssl:ro \
+  {% for dir in ssl_ca_dirs -%}
+  -v {{ dir }}:{{ dir }}:ro \
+  {% endfor -%}
+  {{ helm_image_repo }}:{{ helm_image_tag}} \
+  "$@"