Fix remaining issues: pagination, throttle, i18n, config defaults, indexes

- Add pagination to ShopController (50 per page)
- Add throttle:3,10 to radio application store route
- Replace mixed Dutch/English labels in RadioWizardController (English only)
- Replace Dutch error messages in RadioController and RadioSetupController
- Add config('habbo.defaults.avatar_look') for SocialAuthController
- Remove hardcoded default stream URL from RadioSetupController
- Add database indexes for radio_listener_points.earned_at and bans.ip

app/Http/Controllers/Shop/ShopController.php

@@ -28,7 +28,7 @@ class ShopController extends Controller
         }
 
         return view('shop.shop', [
-            'articles' => $query->with(['rank:id,rank_name', 'features'])->get(),
+            'articles' => $query->with(['rank:id,rank_name', 'features'])->paginate(50),
             'categories' => WebsiteShopCategory::whereHas('articles')->get(),
         ]);
     }