feat: additional conformation checkbox for terms and conditions

addresses #869axbm44

templates/booking/create/step_4.html.twig

@@ -414,6 +414,9 @@
                 {{ form_row(form.confirmationAccepted, {
                     'label_attr': {'class': 'text-base font-semibold'}
                 }) }}
+                {{ form_row(form.termsAccepted, {
+                    'label_attr': {'class': 'text-base font-semibold'}
+                }) }}
             </div>
 
             <div class="flex justify-between pt-6">