atip: management cluster fixes (suse-edge#373)

* atip: management cluster fixes

Some fixes to clarify the node definitions

Fixes: suse-edge#291
Fixes: suse-edge#278

* Update asciidoc/product/atip-management-cluster.adoc

Accept review suggestion

Co-authored-by: ranjinimn <[email protected]>

Author: hardys

asciidoc/product/atip-management-cluster.adoc

@@ -227,10 +227,8 @@ kubernetes:
       initializer: true
       type: server
 #   - hostname: mgmt-cluster-node2
-#     initializer: true
 #     type: server
 #   - hostname: mgmt-cluster-node3
-#     initializer: true
 #     type: server
 ----
 
@@ -348,13 +346,13 @@ kubernetes:
       apiHost: ${API_HOST}
       apiVIP: ${API_VIP}
     nodes:
-      - hostname: mgmt-cluster1
-        initializer: true
-        type: server
-#      - hostname: mgmt-cluster2
-#        type: server
-#      - hostname: mgmt-cluster3
-#        type: server
+    - hostname: mgmt-cluster-node1
+      initializer: true
+      type: server
+#   - hostname: mgmt-cluster-node2
+#     type: server
+#   - hostname: mgmt-cluster-node3
+#     type: server
 ----
 
 where `version` is the version of Kubernetes to be installed. In our case, we are using an RKE2 cluster, so the version must be minor less than 1.29 to be compatible with `Rancher` (for example, `v1.28.10+rke2r1`).
@@ -369,8 +367,9 @@ The `nodes` section contains the list of nodes to be used in the cluster. The `n
 
 [NOTE]
 ====
-The names of the nodes must be unique in the cluster, and the `initializer` field mustbe set to `true` for the first node in the list.
-The names of the nodes must be the same as the host names defined in the `network` section matching directly with the file name in the `network` section.
+* The names of the nodes must be unique in the cluster.
+* Optionally, use the `initializer` field to specify the bootstrap host, otherwise it will be the first node in the list.
+* The names of the nodes must be the same as the host names defined in the <<mgmt-cluster-network-folder, Network Folder>> when network configuration is required.
 ====
 
 [#mgmt-cluster-custom-folder]
@@ -1166,14 +1165,13 @@ kubernetes:
       apiHost: ${API_HOST}
       apiVIP: ${API_VIP}
     nodes:
-      - hostname: mgmt-cluster-node1
-        initializer: true
-        type: server
-#     - hostname: mgmt-cluster-node2
-#       initializer: true
-#       type: server
-#     - hostname: mgmt-cluster-node3
-#       initializer: true
+    - hostname: mgmt-cluster-node1
+      initializer: true
+      type: server
+#   - hostname: mgmt-cluster-node2
+#     type: server
+#   - hostname: mgmt-cluster-node3
+#     type: server
 #       type: server
 embeddedArtifactRegistry:
   images: