feat: 修改了代码段

Author: eveningwater.123

README.md

@@ -562,7 +562,7 @@
 - [序列化 cookie-2023-04-05](codes/javascript/serialize-cookie.md)
 - [序列化表单对象-2023-04-06](codes/javascript/serialize-form.md)
 - [设置样式-2023-04-07](codes/javascript/set-style.md)
-- [浅复制对象-2023-04-08](codes/javascript/shallowClone.md)
+- [浅复制对象-2023-04-08](codes/javascript/shallow-clone.md)
 - [实现数组的 splice 方法,但不改变原数组--2023-04-09](codes/javascript/shank.md)
 - [显示所有元素--2023-04-10](codes/javascript/show.md)
 - [随机打乱数组--2023-04-11](codes/javascript/shuffle.md)