fix: corregir importación de useRelay en App.jsx

Author: NeftaliYagua

src/App.jsx

@@ -1,5 +1,5 @@
 import { useState, useEffect, useMemo, useRef } from 'react';
-import { useRelay } from './hooks/usePasarela';
+import { useRelay } from './hooks/useRelay';
 import './App.css';
 
 const SESSION_ID = localStorage.getItem('colaSession') || (() => {