Updated log format for nginx

manifest/panel/etc/nginx/nginx.conf

@@ -11,9 +11,8 @@ events {
 }
 
 http {
-    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
-                    '$status $body_bytes_sent "$http_referer" '
-                    '"$http_user_agent" "$http_x_forwarded_for"';
+    log_format main 'src:"$remote_addr" time:"$time_local" req:"$request" '
+                    'status:"$status" agent:"$http_user_agent" for:"$http_x_forwarded_for"';
 
     access_log /dev/stdout main;
     access_log /data/storage/logs/access.log main;