add all frontend files

node_modules/antd/lib/table/ColumnGroup.d.ts

@@ -0,0 +1,10 @@
+import type * as React from 'react';
+import type { AnyObject } from '../_util/type';
+import type { ColumnProps } from './Column';
+import type { ColumnType } from './interface';
+export interface ColumnGroupProps<RecordType = AnyObject> extends Omit<ColumnType<RecordType>, 'children'> {
+    children: React.ReactElement<ColumnProps<RecordType>> | React.ReactElement<ColumnProps<RecordType>>[];
+}
+/** This is a syntactic sugar for `columns` prop. So HOC will not work on this. */
+declare const ColumnGroup: <RecordType extends AnyObject>(_: ColumnGroupProps<RecordType>) => null;
+export default ColumnGroup;