feat: distribution is a dict and nodes and cluster are top level (#1288)

* feat: distribution is a dict and nodes and cluster are top level

Signed-off-by: Devin Buhl <devin@buhl.casa>

* chore: housekeeping

Signed-off-by: Devin Buhl <devin@buhl.casa>

---------

Signed-off-by: Devin Buhl <devin@buhl.casa>

bootstrap/templates/kubernetes/flux/vars/cluster-settings.yaml.j2

@@ -7,7 +7,7 @@ metadata:
 data:
   TIMEZONE: "{{ timezone }}"
   CLUSTER_CIDR: "{{ cluster.pod_network.split(',')[0] }}"
-  NODE_CIDR: "{{ cluster.nodes.host_network }}"
+  NODE_CIDR: "{{ nodes.host_network }}"
   {% if feature_gates.dual_stack_ipv4_first %}
   CLUSTER_CIDR_V6: "{{ cluster.pod_network.split(',')[1] }}"
   {% endif %}