Toggle drops.

Through txt command in-game, or through the config file.

White space fix.

Forgot this part.

system/config.example.json

@@ -361,6 +361,9 @@
   // be turned off here. This option has no effect on Blue Burst games - item
   // tracking is always enabled for them.
   "EnableItemTracking": true,
+  
+  // Disable/Enable drops.
+  "EnableDrops": true,
 
   // Whether to enable certain exception handling. Disabling this causes
   // newserv to abort when any client causes an exception, which is generally