feat(App.vue): eliminado contenido y añadida referencia a router

src/App.vue

-<script setup></script>
+<script setup>
+  // import SignLayout from './components/SignLayout.vue';
+  // import Login from './views/Login.vue'
+</script>
 
 <template>
-  <div class="container mt-5 text-center">
-    <h1>You did it!</h1>
-    <button class="btn btn-sm btn-success">Click me</button>
-  </div>
+  <router-view></router-view>
 </template>
 
 <style scoped></style>