added app download route

src/App.js

@@ -1,7 +1,19 @@
 import Routes from './Routes';
+import { Redirect, useLocation } from 'react-router-dom';
+
 
 function App() {
-    return <Routes />;
+    const {pathname} = useLocation()
+
+    return (
+        <>
+        {pathname.startsWith('/@') ? 
+        <Redirect to='/app' />
+        :
+        <Routes />
+        }
+        </>
+    );
 }
 
 export default App;