Migrate backend to Porto architecture and fix minor bugs

- Fully transitioned the backend to the Porto architectural pattern
- Improved code organization and maintainability
- Fixed minor bugs and inconsistencies

app/Ship/Middleware/ValidateSignature.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Ship\Middleware;
+
+use App\Ship\Abstracts\Middleware\ValidateSignature as AbstractMiddleware;
+
+class ValidateSignature extends AbstractMiddleware
+{
+    /**
+     * The names of the query string parameters that should be ignored.
+     *
+     * @var array<int, string>
+     */
+    protected $except = [
+        // 'fbclid',
+        // 'utm_campaign',
+        // 'utm_content',
+        // 'utm_medium',
+        // 'utm_source',
+        // 'utm_term',
+    ];
+}