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/Authenticate.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Ship\Middleware;
+
+use App\Ship\Abstracts\Middleware\Authenticate as AbstractMiddleware;
+
+class Authenticate extends AbstractMiddleware
+{
+    /**
+     * Get the path the user should be redirected to when they are not authenticated.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return string|null
+     */
+    protected function redirectTo($request)
+    {
+        if (! $request->expectsJson()) {
+            return '/';
+        }
+    }
+}