comment to oss when push to develop, only to  tag to release
Fix 1.14.x has no kubeadm.k8s.io/v1beta2 by use cli kubeadm join --xxxx.
Signed-off-by: oldthreefeng <louisehong4168@gmail.com>

Signed-off-by: oldthreefeng <louisehong4168@gmail.com>

Signed-off-by: oldthreefeng <louisehong4168@gmail.com>

Signed-off-by: oldthreefeng <louisehong4168@gmail.com>

add multi network install docs stage

add upx in dockerfile, add upx in drone. change image to golang:15.2-alpine

use github.com/vishvananda/netlink to set default route gateway instead
of ip route command

fix syntax

refactor multi iface solution

delete something

fix to origin, fix docs

stage and rebase

fix kubeadm not found on old sealos package && fix port in exec cmd #469  && fix --service-cidr on old version && delete route cmd

merge nodes nodeips

Closes #199