roles/bind: auto-generate zone files

[skhal]

lab/infra/ansible/roles/bind/files/usr/local/etc/namedb/primary/lab.net/lab.net.db

Lines 19 to 23 in 00bca5b

	; Servers
	nuc IN A 10.0.0.1
	dns IN A 10.0.0.2
	ldap IN A 10.0.0.3
	bsd IN A 10.0.0.101

Move zone data to configuration files, generate zones.