update mailcow template

defaults/main.yml

@@ -5,6 +5,11 @@ cloud_stage: prod
 cloud_update: false
 domain_external: "my-domain.tld"
 
+floating_ips: []
+#  - ipv4: 10.11.12.13
+#    ipv6: 2001:0db8:85a3:08d3::1/64
+#  - ipv4: 192.168.0.2
+#    ipv6: 2001:0db8:bca2:98d6::1/64
 
 mailcow_instance: "{{ domain_external.split('.')[:-1] | join('') | regex_replace('[^a-zA-Z0-9]+','') }}"