implementd search in stock items

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

frontend/src/routes/search/Search.svelte

@@ -105,7 +105,7 @@
         }
     }
 
-        async function handleStock(resp){
+    async function handleStock(resp){
         if (resp.ok){
             const res = await resp.json();
             stock = Object.keys(res).length ? res : null;
@@ -219,6 +219,23 @@
     </ul>
 </fieldset>
 {/if}
+{#if stock}
+<fieldset>
+    <legend>
+        {t('stock')}
+    </legend>
+    <ul>
+        {#each Object.values(stock) as item}
+        <li>
+            <a href="/stock/{item.owner.type}/{item.owner.id}/item/{item.owner_number}" {onclick} >
+            {item.name} [{t('code')}: <span class="code">{item.code}</span>]
+            </a>
+            {@html item.description.rendered}
+        </li>
+        {/each}
+    </ul>
+</fieldset>
+{/if}
 {#if notes}
 <fieldset>
     <legend>