Añadido los archivos necesarios para proveedores

ci4/app/Entities/Compras/ProveedorEntity.php

@@ -0,0 +1,32 @@
+<?php
+namespace App\Entities\compras;
+
+use CodeIgniter\Entity;
+
+class ProveedorEntity extends \CodeIgniter\Entity\Entity
+{
+    protected $attributes = [
+        "id" => null,
+        "nombre" => null,
+        "tipo_id" => null,
+        "razon_social" => null,
+        "cif" => null,
+        "direccion" => null,
+        "cp" => null,
+        "ciudad" => null,
+        "provincia_id" => null,
+        "pais_id" => 1,
+        "persona_contacto" => null,
+        "email" => null,
+        "telefono" => null,
+        "is_deleted" => 0,
+        "created_at" => null,
+        "updated_at" => null,
+    ];
+    protected $casts = [
+        "tipo_id" => "?int",
+        "provincia_id" => "int",
+        "pais_id" => "int",
+        "is_deleted" => "int",
+    ];
+}