Added loading placeholders and couple functionalities

src/components/ConfirmedForm.vue

@@ -12,10 +12,13 @@ const props = defineProps({
   deliveryDate: Date
 })
 
+function cancelOrder(event: Event) {
+  event.preventDefault();
+}
 </script>
 
 <template>
-  <form class="box" @submit="createJSON" style="min-height: 93.5vh">
+  <form class="box" style="min-height: 93.5vh">
     <div class="mb-3">
       <div class="box">
         <h1 class="is-large mb-3"><b>ZAMÓWIENIE</b></h1>
@@ -55,6 +58,7 @@ const props = defineProps({
               hide-input-icon/>
           </div>
         </div>
+        <button class="button is-primary" @click="cancelOrder">Anuluj zamówienie</button>
       </div>
     </div>
     <div v-for="category in categories" :key="category.Kod">