Update kubeadm for Windows (#19217)

* Start updates for DaemonSet approach

* Rough first draft

* Remove old image assets

* Document how to fetch the correct version of kube-proxy

* Remove InstallNSSM script

It was merged into the PrepareNode script

* Update links to sig-windows-tools release files

Using the latest tag so we can continue to update things as needed
without needing to keep updating the docs

* Add upgrade tutorial for Windows kubeadm nodes

* Clarify which machine each command should be run from

* Add link from main tutorial, small edits

- Rename file / title
- Remove reviewers

* Remove IP management section

User can just rely on the defaults from kube-proxy and flannel now, or
change them in the same manner as on Linux

* Apply suggestions from code review

Co-Authored-By: Tim Bannister <tim@scalefactory.com>

* More review updates

* Switch to task template

* Apply suggestions from code review

Co-Authored-By: Tim Bannister <tim@scalefactory.com>

* More review feedback

* Adjust upgrading title

* Additional edits

* Move to kubeadm directory

* Remove stale link

This guide never had any real content about the pause image

* Add redirect from old url

* Fix weights

* Update Windows intro

* Apply suggestions from code review

Co-Authored-By: Tim Bannister <tim@scalefactory.com>

* Fix typo

* Add beta markers

Co-authored-by: Tim Bannister <tim@scalefactory.com>

static/_redirects

@@ -550,7 +550,8 @@ https://kubernetes-io-v1-7.netlify.com/*    https://v1-7.docs.kubernetes.io/:spl
 /docs/setup/on-premises-vm/dcos/     /docs/setup/production-environment/on-premises-vm/dcos/   301
 /docs/setup/on-premises-vm/ovirt/     /docs/setup/production-environment/on-premises-vm/ovirt/   301
 /docs/setup/windows/intro-windows-in-kubernetes/     /docs/setup/production-environment/windows/intro-windows-in-kubernetes/   301
-/docs/setup/windows/user-guide-windows-nodes/     /docs/setup/production-environment/windows/user-guide-windows-nodes/   301
+/docs/setup/windows/user-guide-windows-nodes/     /docs/tasks/administer-cluster/kubeadm/adding-windows-nodes/   301
+/docs/setup/production-environment/windows/user-guide-windows-nodes/     /docs/tasks/administer-cluster/kubeadm/adding-windows-nodes/   301
 /docs/setup/windows/user-guide-windows-containers/     /docs/setup/production-environment/windows/user-guide-windows-containers/   301
 /docs/setup/multiple-zones/     /docs/setup/best-practices/multiple-zones/   301
 /docs/setup/cluster-large/     /docs/setup/best-practices/cluster-large/   301