feat: create glauth module

- manage config directories, config file
- manage systemd service and socket
- manage users, service accounts and groups
- manage defaults for users, services and groups
- manage packages for role

modules/glauth/templates/systemd.socket.epp

@@ -0,0 +1,11 @@
+[Unit]
+Description=GLAuth Socket
+
+[Socket]
+ListenStream=<%= $ldap_port %>
+ListenStream=<%= $ldaps_port %>
+ListenStream=<%= $api_port %>
+NoDelay=true
+
+[Install]
+WantedBy=sockets.target