🌐 Replace manual language selection with reusable language selector component and add Hungarian translations

- Replaced inline language selection logic in `profile.blade.php` with `<x-einundzwanzig.language-selector>`.
- Introduced Hungarian (`hu.json`) translations for improved multilingual support.
- Updated `DomainMiddleware` to include settings for Hungarian locale and portal branding.

app/Http/Middleware/DomainMiddleware.php

@@ -20,6 +20,11 @@ class DomainMiddleware
                 'lang_country' => 'nl-NL',
                 'app_name' => 'EENENTWINTIG Portaal',
             ],
+            'portal.huszonegy.world/' => [
+                'locale' => 'hu',
+                'lang_country' => 'hu-HU',
+                'app_name' => ' HUSZONEGY Portál',
+            ],
         ];
 
         // App-Locale dynamisch setzen