add system change furniture

Common/Data/Excel/HouseFurniturePosData.cs

@@ -0,0 +1,18 @@
+namespace MikuSB.Data.Excel;
+
+[ResourceEntity("house/FurniturePos.json")]
+public class HouseFurniturePosExcel : ExcelResource
+{
+    public uint AreaId { get; set; }
+    public uint GroupId { get; set; }
+
+    public override uint GetId()
+    {
+        return (AreaId << 48) | (GroupId << 32);
+    }
+
+    public override void Loaded()
+    {
+        GameData.HouseFurniturePosData.TryAdd(GetId(), this);
+    }
+}