qbt: include overhead in limits

services/qbittorrent.nix

@@ -51,6 +51,7 @@
     serverConfig.BitTorrent.Session = {
       GlobalUPSpeedLimit = 50; # in KiB/s
       GlobalDLSpeedLimit = 1000; # in KiB/s
+      IncludeOverheadInLimits = true; # make limits more accurate
       GlobalMaxRatio = 6;
       QueueingSystemEnabled = false; # seed all torrents all the time
     };