feat: add consul server profile

- install/configure consul
- install/configure dnsmasq as dns proxy for consul
- add unkin yumrepo definition as source for consul
- update datavol to ensure the /data volume is mounted

hieradata/os/AlmaLinux/all_releases.yaml

@@ -2,6 +2,7 @@
 ---
 profiles::yum::base::baseurl: http://repos.main.unkin.net/almalinux
 profiles::yum::epel::baseurl: http://repos.main.unkin.net/epel
+profiles::yum::unkin::baseurl: http://repos.main.unkin.net/unkin
 profiles::firewall::firewalld::ensure_package: 'absent'
 profiles::firewall::firewalld::ensure_service: 'stopped'
 profiles::firewall::firewalld::enable_service: false