Improved handling for new invoices

app/Domains/Invoice/Views/Partials/invoiceDetails/DistanceAllowance.vue

@@ -17,6 +17,11 @@ const props = defineProps({
           <td>{{props.invoice.travelRoute}}</td>
       </tr>
 
+      <tr>
+          <th>Grund der Reise</th>
+          <td>{{props.invoice.travelReason}}</td>
+      </tr>
+
     <tr>
       <th>Gesamte Wegstrecke</th>
       <td>{{props.invoice.distance}} km</td>