Enhance training page with video link support. Added a conditional link to open external video URLs if available, improving user access to training content. Updated aria-label for better accessibility.

src/routes/training/+page.svelte

@@ -157,9 +157,19 @@
                   <Card.Description class="text-xs">{formatDate(video.created)}</Card.Description>
                 </div>
                 <div class="flex items-center gap-2">
-                  <a href={`/training/${video.id}`} aria-label="Open training video">
+                  <a href={`/training/${video.id}`} aria-label="Open training video detail">
                     <Button variant="outline" size="sm">Open</Button>
                   </a>
+                  {#if video.videoUrl}
+                    <a
+                      href={video.videoUrl}
+                      target="_blank"
+                      rel="noreferrer"
+                      aria-label="Open video link"
+                    >
+                      <Button variant="ghost" size="sm">Link</Button>
+                    </a>
+                  {/if}
                   {#if canUpload}
                     <form method="POST">
                       <input type="hidden" name="id" value={video.id} />