kube tutorial update

doc/ext/kubernetes/Dockerfile

@@ -4,6 +4,7 @@ EXPOSE 8080/tcp 9993/udp
 # Install ZT network conf files
 RUN mkdir -p /var/lib/zerotier-one/networks.d
 ADD *.conf /var/lib/zerotier-one/networks.d/
+ADD *.conf /
 ADD zerotier-one /
 ADD zerotier-cli /
 ADD .zerotierCliSettings /