(client) feat:窗口新增独占、占用输入属性，添加部分行为树节点和工作类

Client/Assets/Scripts/Entity/BuildingEntity.cs

@@ -0,0 +1,12 @@
+using Data;
+
+namespace Entity
+{
+    public class BuildingEntity:Entity
+    {
+        void Init(BuildingDef def)
+        {
+            
+        }
+    }
+}