add all frontend files

node_modules/rc-collapse/lib/Collapse.d.ts

@@ -0,0 +1,9 @@
+import React from 'react';
+import type { CollapseProps } from './interface';
+declare const _default: React.ForwardRefExoticComponent<CollapseProps & React.RefAttributes<HTMLDivElement>> & {
+    /**
+     * @deprecated use `items` instead, will be removed in `v4.0.0`
+     */
+    Panel: React.ForwardRefExoticComponent<import("./interface").CollapsePanelProps & React.RefAttributes<HTMLDivElement>>;
+};
+export default _default;