Initial commit: Horux Backend API

- API REST para gestion de facturas electronicas mexicanas (CFDI)
- Laravel 9 con autenticacion OAuth 2.0 (Passport)
- Integracion con Syntage, Clerk y Facturama
- 30 modelos Eloquent, 39 controladores
- Documentacion completa en /docs

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/Exceptions/Handler.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Exceptions;
+
+use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
+use Throwable;
+
+class Handler extends ExceptionHandler
+{
+    /**
+     * A list of exception types with their corresponding custom log levels.
+     *
+     * @var array<class-string<\Throwable>, \Psr\Log\LogLevel::*>
+     */
+    protected $levels = [
+        //
+    ];
+
+    /**
+     * A list of the exception types that are not reported.
+     *
+     * @var array<int, class-string<\Throwable>>
+     */
+    protected $dontReport = [
+        //
+    ];
+
+    /**
+     * A list of the inputs that are never flashed to the session on validation exceptions.
+     *
+     * @var array<int, string>
+     */
+    protected $dontFlash = [
+        'current_password',
+        'password',
+        'password_confirmation',
+    ];
+
+    /**
+     * Register the exception handling callbacks for the application.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        $this->reportable(function (Throwable $e) {
+            //
+        });
+    }
+}