Add link to RSS feed.

index.html

@@ -35,7 +35,10 @@
 
     <h2>Blocklist</h2>
 
-    <a href="/blocklist/">Here</a>.
+    <ul>
+      <li><a href="/blocklist/">HTML list</a></li>
+      <li><a href="/rss">RSS feed</a></li>
+    </ul>
 
     <h2>Form</h2>
     <form method="post" action="/add" enctype="multipart/form-data">
@@ -67,6 +70,7 @@
       <li>Dynamically add input fields for tags and receipts.</li>
       <li>Autocomplete tags.</li>
       <li>Make it look okay on all sorts of screen sizes.</li>
+      <li>Let users subscribe to a set of tags via RSS of their choosing.</li>
     </ul>
   </body>
 </html>