Display some unrelated formula for easier testing

Author: vmcj

webapp/templates/jury/menu.html.twig

@@ -7,6 +7,7 @@
 
     {% set current_route = app.request.attributes.get('_route') %}
 
+    <span>Euler's identity: $( e^{i\pi} + 1 = 0 )$</span>
     <div class="collapse navbar-collapse" id="menuDefault" data-update-url="{{ path('jury_ajax_updates') }}">
         <ul class="navbar-nav me-auto">