Mi primera Aplicación Web con CodeIgniter 4: Mostrando registros de la tabla

app/Models/AgendaModel.php

<?php 
namespace App\Models;

use CodeIgniter\Model;

class AgendaModel extends Model
{
	protected $table = 'contactos';
	protected $primaryKey = 'id';
	protected $allowedFields = ['id','nombre','apellidos','celular'];

	public function getAll()
	{
		return $this->findAll();
	}
}

app/Controllers/AgendaController.php

<?php 
namespace App\Controllers;

use App\Models\AgendaModel;

class AgendaController extends BaseController
{
	public function index()
	{
		$AgendaModel = new AgendaModel();
		$data['agenda'] = $AgendaModel->getAll();
		return view('agenda',$data);
	}
}

app/Views/agenda.php

<h1>Agenda</h1>
<table>
	<thead>
		<tr>
			<th>Id</th>
			<th>Nombre</th>
			<th>Apellidos</th>
			<th>Celular</th>
		</tr>
	</thead>
	<tbody>
		<?php foreach($agenda as $item): ?>
			<tr>
				<td> <?= $item['id'] ?> </td>
				<td> <?= $item['nombre'] ?> </td>
				<td> <?= $item['apellidos'] ?> </td>
				<td> <?= $item['celular'] ?> </td>
			</tr>
		<?php endforeach ?>
	</tbody>
</table>

app/Config/Routes.php

$routes->get('/', 'AgendaController::index');