(client) feat:支持定义实体的碰撞体大小和偏移；建筑支持定义实体建筑和瓦片建筑，建筑支持指定按钮回调；添加存档管理器；Dev支持设置是否暂停；实体允许定义事件组；添加基地界面 (#57)

Co-authored-by: m0_75251201 <m0_75251201@noreply.gitcode.com>
Reviewed-on: http://47.107.252.169:3000/Roguelite-Game-Developing-Team/Gen_Hack-and-Slash-Roguelite/pulls/57

Client/Assets/Scripts/UI/UIBase.cs

@@ -22,6 +22,6 @@ namespace UI
         }
 
         // 判断是否可见
-        public bool IsVisible => gameObject.activeInHierarchy;
+        public bool IsVisible => gameObject && gameObject.activeInHierarchy;
     }
 }