feat: add vault server profile

- add vault module to puppetfile
- define class to manage the install and config of vault
- manage the datavol and raft storage
- manage the unzip and other compression tools
- define custom unseal script and service
- add documentation on initial setup of vault

site/profiles/manifests/pki/puppetcerts.pp

@@ -24,7 +24,7 @@ class profiles::pki::puppetcerts {
     ensure  => 'file',
     owner   => 'root',
     group   => 'root',
-    mode    => '0600',
+    mode    => '0644',
     source  => "/etc/puppetlabs/puppet/ssl/private_keys/${facts['networking']['fqdn']}.pem",
     require => File['/etc/pki/tls/puppet'],
   }