feat: add haproxy profile

- add haproxy server class
- add haproxy profile to role
- add hiera data for region specific haproxy
- add selinux configuration
- add certlist management
- add default http and https frontends
- add default stats listener

Puppetfile

@@ -15,6 +15,7 @@ mod 'puppetlabs-firewall', '6.0.0'
 mod 'puppetlabs-accounts', '8.1.0'
 mod 'puppetlabs-mysql', '15.0.0'
 mod 'puppetlabs-xinetd', '3.4.1'
+mod 'puppetlabs-haproxy', '8.0.0'
 
 # puppet
 mod 'puppet-python', '7.0.0'
@@ -30,6 +31,7 @@ mod 'puppet-grafana', '13.1.0'
 mod 'puppet-consul', '8.0.0'
 mod 'puppet-vault', '4.1.0'
 mod 'puppet-dhcp', '6.1.0'
+mod 'puppet-keepalived', '3.6.0'
 
 # other
 mod 'ghoneycutt-puppet', '3.3.0'