add ranges to template and update Readme

templates/loadbalancer/remoteip.conf.erb

@@ -6,10 +6,10 @@
 <IfModule remoteip_module>
     RemoteIPHeader <%= @ae_remoteip_header %>
     <% @ae_trusted_proxy.each do |proxy| %>
-RemoteIPTrustedProxy <%= proxy %>
+    RemoteIPTrustedProxy <%= proxy %>
     <% end -%>
     <% @ae_internal_proxy.each do |proxy| %>
-RemoteIPInternalProxy <%= proxy %>
+    RemoteIPInternalProxy <%= proxy %>
     <% end -%>
 
     # Use real client IP in all standard log formats