add all frontend files

node_modules/rc-util/lib/setStyle.d.ts

@@ -0,0 +1,12 @@
+import * as React from 'react';
+export interface SetStyleOptions {
+    element?: HTMLElement;
+}
+/**
+ * Easy to set element style, return previous style
+ * IE browser compatible(IE browser doesn't merge overflow style, need to set it separately)
+ * https://github.com/ant-design/ant-design/issues/19393
+ *
+ */
+declare function setStyle(style: React.CSSProperties, options?: SetStyleOptions): React.CSSProperties;
+export default setStyle;