Added verify_config.yml playbook and included it in site.yml, Updated README.md with config verifications for ip routing prefix and metal_lb_ip_range checks etc

inventory/sample/group_vars/all.yml

@@ -82,7 +82,6 @@ proxmox_lxc_ct_ids:
   - 203
   - 204
 
-# Only enable this if you have set up your own container registry to act as a mirror / pull-through cache
 # (harbor / nexus / docker's official registry / etc).
 # Can be beneficial for larger dev/test environments (for example if you're getting rate limited by docker hub),
 # or air-gapped environments where your nodes don't have internet access after the initial setup
@@ -121,3 +120,5 @@ custom_registries_yaml: |
       auth:
         username: yourusername
         password: yourpassword
+
+verify_config: true