kubeadm: add new command line reference

Add:
- placeholder files
- include place holder files
- add missing tabs for "alpha phase kubelet"

content/en/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_kubelet_config_annotate-cri.md

@@ -0,0 +1 @@
+This file is autogenerated

content/en/docs/reference/setup-tools/kubeadm/generated/kubeadm_upgrade_node_experimental-control-plane.md

@@ -0,0 +1 @@
+This file is autogenerated

content/en/docs/reference/setup-tools/kubeadm/kubeadm-alpha.md

@@ -56,6 +56,18 @@ Additionally, the `user` subcommand supports the creation of kubeconfig files fo
 {{< tab name="user" include="generated/kubeadm_alpha_phase_kubeconfig_user.md" />}}
 {{< /tabs >}}
 
+## kubeadm alpha phase kubelet {#cmd-phase-kubelet}
+
+Use the following commands to manage the kubelet phase.
+
+{{< tabs name="tab-kubelet" >}}
+{{< tab name="config annotate-cri" include="generated/kubeadm_alpha_phase_kubelet_config_annotate-cri.md" />}}
+{{< tab name="config download" include="generated/kubeadm_alpha_phase_kubelet_config_download.md" />}}
+{{< tab name="config enable-dynamic" include="generated/kubeadm_alpha_phase_kubelet_config_enable-dynamic.md" />}}
+{{< tab name="config upload" include="generated/kubeadm_alpha_phase_kubelet_config_upload.md" />}}
+{{< tab name="config write-to-disk" include="generated/kubeadm_alpha_phase_kubelet_config_write-to-disk.md" />}}
+{{< tab name="write-env-file" include="generated/kubeadm_alpha_phase_kubelet_write-env-file.md" />}}
+{{< /tabs >}}
 
 ## kubeadm alpha phase controlplane {#cmd-phase-controlplane}
 

content/en/docs/reference/setup-tools/kubeadm/kubeadm-upgrade.md

@@ -42,6 +42,9 @@ applied to static pod manifests.
 ## kubeadm upgrade node config {#cmd-upgrade-node-config}
 {{< include "generated/kubeadm_upgrade_node_config.md" >}}
 
+## kubeadm upgrade node experimental-control-plane {#cmd-experimental-control-plane}
+{{< include "generated/kubeadm_upgrade_node_experimental-control-plane.md" >}}
+
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