Init enter game

Common/Data/Excel/ActivityTowerExcel.cs

@@ -0,0 +1,17 @@
+namespace KianaBH.Data.Excel;
+
+[ResourceEntity("ActivityTower.json")]
+public class ActivityTowerExcel : ExcelResource
+{
+    public uint ActivityID { get; set; }
+
+    public override int GetId()
+    {
+        return (int)ActivityID;
+    }
+
+    public override void Loaded()
+    {
+        GameData.ActivityTowerData.Add(GetId(), this);
+    }
+}