Add visual button presets, jump targets and menu controls

templates/admin/shell.html.twig

@@ -54,7 +54,7 @@
     </nav>
     </details>
     <div class="shell-foot">
-        <p class="shell-version">Fassung {{ kant_version() }}</p>
+        <p class="shell-version">{% if is_granted('ROLE_ADMIN') %}<a href="{{ path('admin_system') }}">Fassung {{ kant_version() }}</a>{% set updateVersion = kant_update_version() %}{% if updateVersion %}<a class="version-update" href="{{ path('admin_system', {pruefen: 1}) }}" aria-label="Update {{ updateVersion }} verfügbar. Aktualisierung öffnen.">Update {{ updateVersion }} verfügbar</a>{% endif %}{% else %}Fassung {{ kant_version() }}{% endif %}</p>
         <a class="shell-user" href="{{ path('admin_account') }}" aria-label="Mein Konto: {{ app.user.userIdentifier }}"{{ nav|default('') == 'account' ? ' aria-current="page"' : '' }}><span class="shell-avatar" aria-hidden="true">{{ app.user.userIdentifier|first|upper }}</span><strong>{{ app.user.userIdentifier }}</strong></a>
         <form action="{{ path('admin_logout') }}" method="post">
             <input type="hidden" name="_csrf_token" value="{{ csrf_token('logout') }}">