feat: initial project setup with Laravel 12 and Filament v4

app/Http/Middleware/SetLocale.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class SetLocale
+{
+    public function handle(Request $request, Closure $next): Response
+    {
+        $locale = session('locale', config('app.locale'));
+
+        if (in_array($locale, config('app.available_locales', ['fa', 'en']))) {
+            app()->setLocale($locale);
+        }
+
+        return $next($request);
+    }
+}