房间创建和进入相关逻辑和协议

Entity/Map/Component/MapUnitManageComponent.cs

@@ -0,0 +1,8 @@
+using Fantasy.Entitas;
+
+namespace NB.Map;
+
+public class MapUnitManageComponent : Entity
+{
+    public readonly Dictionary<long, MapUnit> Units = new();
+}