Add twig extra bundle to use currency formatter filter. Add custom twig method to display number of active promos. Remove old index.php file.

templates/template.html.twig

@@ -19,7 +19,7 @@
         <div class="collapse navbar-collapse" id="navbarNav">
             <ul class="navbar-nav me-auto mb-2 mb-lg-0">
                 <li class="nav-item">
-                    <a class="nav-link active" aria-current="page" href="{{ path('app_promos') }}">Promos</a>
+                    <a class="nav-link active" aria-current="page" href="{{ path('app_promos') }}">Promos ({{ promosCount() }})</a>
                 </li>
             </ul>
             <form class="d-flex col-lg-6 col-sm-8" role="search" action="{{ path('app_search') }}">