Addition of the button as described in the Issue #17

Web/templates/user_del.html

@@ -17,6 +17,12 @@
     <div class="user-management-container">
         <h2>Benutzer</h2>
 
+        <div class="mb-3">
+            <a href="{{ url_for('register') }}" class="btn btn-success">
+                Neuen Benutzer registrieren
+            </a>
+        </div>
+
         <form method="POST" action="{{ url_for('admin_anonymize_names') }}" class="mb-3">
             <button
                 type="submit"