Add button for manually updating feed

discord_rss_bot/templates/feed.html

@@ -28,6 +28,8 @@
 
     <!-- Feed Actions -->
     <div class="mt-3 d-flex flex-wrap gap-2">
+        <a href="/update?feed_url={{ feed.url|encode_url }}" class="btn btn-primary btn-sm">Update</a>
+
         <form action="/remove" method="post" class="d-inline">
             <button class="btn btn-danger btn-sm" name="feed_url" value="{{ feed.url }}"
                 onclick="return confirm('Are you sure you want to delete this feed?')">Remove</button>