Add script to copy bootstrapping chart and scripts

bootstrap/copy-kube-system-bootstrap

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+TOP=@out@/share/kube-system-bootstrap
+dest=kube-system-bootstrap
+[ $# = 1 ] && dest=$1
+cp -r $TOP $dest
+chmod -R ug+w $dest
+
+# vim:ft=sh