docs: add getAllColsWidths api

Author: libondev

docs/assets/api/en/methods.md

@@ -1414,6 +1414,16 @@ getAllColsWidth: () => number;
 
 ```
 
+## getAllColsWidths(Function)
+
+get all columns width list
+
+```
+
+getAllColsWidth: () => number[];
+
+```
+
 ## setSortedIndexMap(Function)
 
 Set up a pre-sort index to improve initial sorting performance in scenarios where large amounts of data are sorted.

docs/assets/api/zh/methods.md

@@ -1261,6 +1261,14 @@ getAllRowsHeight: () => number;
 getAllColsWidth: () => number;
 ```
 
+## getAllColsWidths(Function)
+
+获取表格所有列的宽度列表
+
+```
+getAllColsWidth: () => number[];
+```
+
 ## setSortedIndexMap(Function)
 
 设置预排序索引，用在大数据量排序的场景下，提升初次排序性能