️ add auto-redirect to dashboard

src/App.tsx

 import {
   BrowserRouter as Router,
   Routes,
-  Route
+  Route,
+  Navigate
 } from "react-router-dom";
 
 import { AuthProvider } from './auth/AuthProvider';
@@ -20,7 +21,7 @@ export default function App() {
         <div>
           <AuthProvider>
             <Routes>
-              <Route index element={<h1>Welcome!</h1>} />
+              <Route index element={<Navigate to="/dashboard" />} />
               <Route path="login" element={<Login />} />
               <Route path="dashboard" element={<Main />}>
                 <Route index element={<Sell />} />