Upgrade: Laravel 11, consolidación modelos App\Models\

- Actualización a Laravel 11.47.0
- Migración de modelos a namespace App\Models\
- Actualización de todos los controladores
- Actualización de configuraciones
- Documentación README.md

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

config/app.php

@@ -147,7 +147,6 @@ return [
         /*
          * Laravel Framework Service Providers...
          */
-        Collective\Html\HtmlServiceProvider::class,
         Illuminate\Auth\AuthServiceProvider::class,
         Illuminate\Broadcasting\BroadcastServiceProvider::class,
         Illuminate\Bus\BusServiceProvider::class,
@@ -170,7 +169,6 @@ return [
         Illuminate\Translation\TranslationServiceProvider::class,
         Illuminate\Validation\ValidationServiceProvider::class,
         Illuminate\View\ViewServiceProvider::class,
-        Intervention\Image\ImageServiceProvider::class,
 
         /*
          * Package Service Providers...
@@ -217,11 +215,9 @@ return [
         'Eloquent' => Illuminate\Database\Eloquent\Model::class,
         'Event' => Illuminate\Support\Facades\Event::class,
         'File' => Illuminate\Support\Facades\File::class,
-        'Form' => Collective\Html\FormFacade::class,
         'Gate' => Illuminate\Support\Facades\Gate::class,
         'Hash' => Illuminate\Support\Facades\Hash::class,
-        'Html' => Collective\Html\HtmlFacade::class,
-        'Image' => Intervention\Image\Facades\Image::class,
+        'Image' => Intervention\Image\Laravel\Facades\Image::class,
         'Lang' => Illuminate\Support\Facades\Lang::class,
         'Log' => Illuminate\Support\Facades\Log::class,
         'Mail' => Illuminate\Support\Facades\Mail::class,