add all frontend files

node_modules/rc-slider/lib/Steps/Dot.d.ts

@@ -0,0 +1,9 @@
+import * as React from 'react';
+export interface DotProps {
+    prefixCls: string;
+    value: number;
+    style?: React.CSSProperties | ((dotValue: number) => React.CSSProperties);
+    activeStyle?: React.CSSProperties | ((dotValue: number) => React.CSSProperties);
+}
+declare const Dot: React.FC<DotProps>;
+export default Dot;