implemented creating new stock items

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/stock/ItemList.svelte

@@ -8,11 +8,13 @@
 
     async function saveNewItem(){
         newItem.location = location;
-        console.log(JSON.parse(JSON.stringify(newItem)));
         const url = api('stock/item');
-        const res = post(url,newItem);
+        const res = await post(url,newItem);
         if (res.ok) {
             yikes();
+            const it = await res.json();
+            console.log(it);
+            items = [...items, it];
         } else error(res);
     }
 </script>
@@ -27,7 +29,7 @@
     <tbody>
     {#each items as item}
     <tr onclick={ev => selected = item} ondragstart={e => drag_start(item)} draggable="true">
-        <td>{item.id}</td>
+        <td title={`db id: ${item.id}`}>{item.owner_number}</td>
         <td>{item.code}</td>
         <td>{item.name}</td>
     </tr>