fix(proxy): add request to log_format

Author: mickael-garrido

nginx.conf

@@ -85,6 +85,7 @@ http {
         '"host":"$host",'
         '"proxy_host":"$proxy_host",'
         '"upstream":"$upstream_addr",'
+        '"request":"$request",'
         '"scheme_upstream":"$targetScheme"'
       '}';