add finale handler, pre-dx game codes

titles/mai2/dx.py

@@ -0,0 +1,15 @@
+from typing import Any, List, Dict
+from datetime import datetime, timedelta
+import pytz
+import json
+
+from core.config import CoreConfig
+from titles.mai2.base import Mai2Base
+from titles.mai2.config import Mai2Config
+from titles.mai2.const import Mai2Constants
+
+
+class Mai2DX(Mai2Base):
+    def __init__(self, cfg: CoreConfig, game_cfg: Mai2Config) -> None:
+        super().__init__(cfg, game_cfg)
+        self.version = Mai2Constants.VER_MAIMAI_DX