add one placeholder image for main archive page, just to give a little spice. Feel free to delete and change this image

archive/index.html

@@ -22,5 +22,8 @@
             <a href="03">Emergent Opera</a>
         </li>
     </ul>
+    <div class="image-placeholder">
+        <img src="images/inner-dance-cell.png" alt="two people with headphones are picturing dancing jelly people with joy" />
+    </div>
 </body>
 </html>