Add dormant Rocky server profile

ansible/inventory/hosts.yml

@@ -19,6 +19,8 @@ all:
     platform_rocky:
       hosts:
         atlas:
+      children:
+        rocky_server:
 
     void:
       children:
@@ -76,6 +78,7 @@ all:
 
     server:
       children:
+        rocky_server:
         ubuntu_server:
 
     workstation_dev_fedora:
@@ -92,3 +95,6 @@ all:
       hosts:
         prometheus:
           ansible_connection: local
+
+    rocky_server:
+      hosts: {}