Added `enable_logs` flag '0x200000' for item merger. Follow up e1b658e46284d63b3c9d7b81833f2696d1a1dbd3

Signed-off-by: Cydh Ramdh <cydh@pservero.com>

conf/log_athena.conf

@@ -31,6 +31,7 @@
 // 0x040000 - (K) Log account bank transactions
 // 0x080000 - (F) Removed bound items when guild/party is broken
 // 0x100000 - (Y) Roulette Lottery
+// 0x200000 - (Z) Merged items from item mergers process.
 // Example: Log trades+vending+script items+created items: 1+2+32+1024 = 1059
 // Please note that moving items from inventory to cart and back is not logged by design.
 enable_logs: 0xFFFFFF