docu(schema): align docs and baremetal example with dict model

inventory_baremetal_example.yml

@@ -1,9 +1,19 @@
 ---
 all:
+  vars:
+    hypervisor:
+      type: "none"
+    filesystem: "ext4"
   hosts:
     baremetal01.example.com:
       ansible_host: 10.0.0.162
       ansible_user: root
       ansible_password: "1234"
       ansible_become_password: "1234"
-      hostname: "baremetal01.example.com"
+      system:
+        type: "physical"
+        os: "archlinux"
+        name: "baremetal01.example.com"
+        disks:
+          - device: "/dev/sda"
+            size: 120

roles/cis/tasks/modules.yml

@@ -18,7 +18,7 @@
       install rds             /bin/false
       install tipc            /bin/false
 
-- name: Remove legacy USB rules file
+- name: Remove old USB rules file
   ansible.builtin.file:
     path: /mnt/etc/udev/rules.d/10-cis_usb_devices.sh
     state: absent