Update nav.blade.php

new button "email feedback"

resources/views/layouts/nav.blade.php

@@ -18,6 +18,9 @@
             <a class="navbar-item" href="{{url('/')}}">
               Home
             </a>
+              <a class="navbar-item" target="_blank" href="mailto:gitlab-incoming+zemki-gitlab-mesort-17188-6siyqlb3eanagb4fgcmza0g4e-issue@informatik.uni-bremen.de?subject=feedback from website&body=Issue: %0A%0A Description: %0A%0A Steps to reproduce:">
+              Email Feedback
+            </a>
 
             @if(Auth::user()->hasRole('superadministrator'))
             <a class="navbar-item" href="{{url('translations')}}">