(client) feat:添加事件定义，定义部分怪物

Client/Assets/Scripts/Map/Dimension.cs

@@ -18,6 +18,8 @@ namespace Map
         [SerializeField] public MapGenerator mapGenerator;
         
         public Vector3 cameraPosition;
+
+        public Entity.Entity focusEntity;
         /// <summary>
         /// 获取此维度的唯一标识符。
         /// </summary>