feat: add router to the arm page (#14)

src/pages/arm/index.tsx

@@ -2,9 +2,7 @@ import React, { useState } from 'react';
 import LayoutArm from '../../components/LayoutArm';
 
 const Page = () => {
-  const [currentPage, setCurrentPage] = useState('orders');
-
-  return <LayoutArm currentPage={currentPage} onSelectPage={setCurrentPage} />;
+  return <LayoutArm />;
 };
 
 export default Page;