add all frontend files

node_modules/antd/lib/tree/utils/dropIndicator.d.ts

@@ -0,0 +1,11 @@
+import React from 'react';
+import type { DirectionType } from '../../config-provider';
+export declare const offset = 4;
+declare function dropIndicatorRender(props: {
+    dropPosition: -1 | 0 | 1;
+    dropLevelOffset: number;
+    indent: number;
+    prefixCls: string;
+    direction: DirectionType;
+}): React.JSX.Element;
+export default dropIndicatorRender;