update traefik sample and remove binary file - oracle policy prohibits storing binaries in github, and redistrbuting binaries from external sources

Author: markxnelson

kubernetes/samples/charts/traefik/README.md

@@ -1,4 +1,12 @@
 # Install and configure Traefik
+
+This sample demonstrates how to install the Traefik ingress controller to provide 
+load balancing for WebLogic clusters.
+
+## Prerequisites
+
+To use this sample you must download [onessl](https://github.com/kubepack/onessl) and place it in the `util` directory.
+
 ## Install the Traefik operator with a Helm chart
 The Traefik Helm chart is located in the official Helm project `charts` directory at https://github.com/helm/charts/tree/master/stable/traefik.
 The chart is in the default repository for Helm.