Initial Laravel API import

- Complete GGZ Ecademy Laravel backend application
- RESTful API for learning products, members, filters
- Authentication and authorization system
- Database migrations and seeders
- Custom CRUD generator commands
- Email notification system
- Integration with frontend applications

app/Data/Validation/Validator.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Data\Validation;
+
+abstract class Validator
+{
+    protected function error(string $message): ValidationResult
+    {
+        return new ValidationResult(true, $message);
+    }
+
+    protected function success(): ValidationResult
+    {
+        return new ValidationResult(false);
+    }
+}