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/Tests/TestCase.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace App\Ship\Tests;
+
+use App\Ship\Abstracts\Tests\PhpUnit\TestCase as AbstractTestCase;
+use App\Ship\Traits\CreatesApplication;
+
+abstract class TestCase extends AbstractTestCase
+{
+    use CreatesApplication;
+}