chore: Update nginx.conf

examples/nginx-php/nginx.conf

@@ -9,6 +9,7 @@ server {
     client_max_body_size 10M; # change this
     #set_real_ip_from  172.16.0.0/12;
     #set_real_ip_from 192.168.0.0/16;
+	#set_real_ip_from 10.0.0.0/8;
     real_ip_header    X-Forwarded-For;
     proxy_hide_header X-Powered-By;