Add Livewire saldo header component and update on saldo change

app/Http/Livewire/SaldoHeader.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Http\Livewire;
+
+use Livewire\Component;
+
+class SaldoHeader extends Component
+{
+    public $listeners = ['actualizarSaldoHeader' => '$refresh'];
+
+    public function render()
+    {
+        return view('livewire.saldo-header');
+    }
+}