fix: Initialize go empty slice (#947)

* Fix: Initialize go empty slice

* Update list.md

---------

Co-authored-by: Yudong Jin <krahets@163.com>

docs/chapter_array_and_linkedlist/list.md

@@ -65,7 +65,7 @@
     ```go title="list_test.go"
     /* 初始化列表 */
     // 无初始值
-    nums1 := []int
+    nums1 := []int{}
     // 有初始值
     nums := []int{1, 3, 2, 5, 4}
     ```