Fix count and status wording (Refs #121)

src/routes/plugins/+page.svelte

@@ -21,6 +21,7 @@
     import Input from '$ui/components/primitives/Input.svelte';
     import Select from '$ui/components/primitives/Select.svelte';
     import { libraryLimit, saveLibraryContext } from '$ui/library-context.js';
+    import { plural } from '$ui/plural.js';
     const editable = $derived(canOperate($page.data?.user?.role));
 
     type ArtifactKind = 'script' | 'config' | 'plugin' | 'baseline';
@@ -353,7 +354,7 @@
         </details>{/if}
     <section class="section">
         <div class="list-heading">
-            <span>{visible.length} of {plugins.length} plugins</span
+            <span>{visible.length} of {plugins.length} {plural(plugins.length, 'plugin')}</span
             >{#if visible.length && (search || game || status)}<Button
                     variant="ghost"
                     size="sm"