pg_hba.conf: Introduce a newline after each rule

This makes the whole file more readable.

Author: bastelfreak

templates/pg_hba_rule.conf.epp

@@ -13,3 +13,4 @@
 # Description: <%= $description %>
 # Order: <%= $order %>
 <%= $type %>	<%= $database %>	<%= $user %>	<%= $address %>	<%= $auth_method %>	<%= $auth_option %>
+