feat: manage puppet clients

- manage the service
- manage the package, version lock it
- deploy the /etc/puppetlabs/puppet/puppet.conf from template for puppet
  clients only

site/profiles/templates/puppet/client/puppet.conf.erb

@@ -0,0 +1,13 @@
+[main]
+dns_alt_names = <%= @dns_alt_names %>
+
+[agent]
+server = <%= @server %>
+ca_server = <%= @ca_server %>
+environment = <%= @environment %>
+report = true
+report_server = <%= @server %>
+runinterval = <%= @runinterval %>
+runtimeout = <%= @runtimeout %>
+show_diff = <%= @show_diff %>
+usecacheonfailure = <%= @usecacheonfailure %>