Add documentation for example service monitoring

hack/example-service-monitoring/deploy

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+if [ -z "${KUBECONFIG}" ]; then
+    KUBECONFIG=~/.kube/config
+fi
+
+kubectl --kubeconfig="$KUBECONFIG" create -f manifests/examples/example-app