feat: complete cobbler automation

- add facts to manage the /var/www/cobbler and /data/cobbler directories
- move /var/www/cobbler -> /data/cobbler
- create symlink from /var/www/cobbler -> /data/cobbler
- ensure that cobbler nodes are set to permissive selinux mode

hieradata/roles/infra/cobbler/server.yaml

@@ -15,3 +15,4 @@ profiles::pki::vault::alt_names:
   - cobbler.main.unkin.net
 
 profiles::cobbler::params::service_cname: 'cobbler.main.unkin.net'
+profiles::selinux::setenforce::mode: permissive