Make sure to keep other files in kube-proxy ConfigMap
Make sure to keep other files in kube-proxy ConfigMap

The data was being overwritten with the new file map,
which caused the "config.conf" file to be deleted (!).

Compared to the original "kubeconfig.conf" generated,
the template also inserted an extra newline character.

kubernetes/minikube,warmchang/minikube,aaron-prindle/minikube,dlorenc/minikube,dlorenc/minikube,kubernetes/minikube,r2d4/minikube,dalehamel/minikube,dims/minikube,aaron-prindle/minikube,dlorenc/minikube,warmchang/minikube,kubernetes/minikube,aaron-prindle/minikube,dlorenc/minikube,kubernetes/minikube,kubernetes/minikube,warmchang/minikube,dalehamel/minikube,dims/minikube,dims/minikube,dalehamel/minikube,dlorenc/minikube,dlorenc/minikube,warmchang/minikube,r2d4/minikube,kubernetes/minikube,dlorenc/minikube,dlorenc/minikube,warmchang/minikube,r2d4/minikube,warmchang/minikube,kubernetes/minikube,warmchang/minikube