UniqueConst와 game_env에 seasonIdx 추가

hwe/d_setting/UniqueConst.orig.php

@@ -4,6 +4,7 @@ namespace sammo;
 class UniqueConst{
     public static $serverID = '_tK_serverID_';
     public static $serverName = '_tK_serverName_';
+    public static $seasonIdx = '_tK_seasonIdx_';
 
     private function __construct(){}