kosmosctl command should support offline installation

[kuangcheng66]

What would you like to be added:
kosmosctl command can support offline installation

Why is this needed:
kosmosctl image pull --image-list=[image-list.txt] --output=[output-dir] --container-runtime=[container-runtime]
kosmoscrl image push --image-list=[image-list.txt] --artifact=[*.tar.gz] --username=[registry-username] --password=[registry-password] --private-registry=[private-registry-name]

[kuangcheng66]

/assign @kuangcheng66

[kuangcheng66]

for example:

• image-list.txt :
  ghcr.io/kosmos-io/clusterlink-operator:v0.1.7
  ghcr.io/kosmos-io/clusterlink-floater:v0.1.7
  ghcr.io/kosmos-io/clusterlink-elector:v0.1.7
  ghcr.io/kosmos-io/clustertree-knode-manager:v0.1.7
  ghcr.io/kosmos-io/clusterlink-agent:v0.1.7
  ghcr.io/kosmos-io/clusterlink-network-manager:v0.1.7
  ghcr.io/kosmos-io/clusterlink-proxy:v0.1.7
  ghcr.io/kosmos-io/coredns:latest