start to work in requests by cleaning up listing code

src/index.njk

@@ -14,20 +14,5 @@ title: FediLearns Classifieds
   </ul>
 </div>
 
-<div id="listings">
-  {% for tag in collections | getKeys | removeCoreTags | sortAlphabetically %}
-    <div class="category">
-      <div class="category-title">
-        <h2>{{ tag }}</h2>
-        <p>{{ tag | getTagline }}</p>
-      </div>
-      {% set listings = collections[tag] | filterByTag("offers") %}
-      {% if listings | length == 0 %}
-      <p>No listings.</p>
-      {% endif %}
-      {% for listing in listings | sortAlphabeticallyByTitle %}
-        {% include "listing.njk" %}
-      {% endfor %}
-    </div>
-  {% endfor %}
-</div>
+{% set day = null %}
+{% include "listings.njk" %}