chore: deduplicate permalinks; fix sitemap; organize

src/includes/partials/media/music/chart.liquid

@@ -0,0 +1,33 @@
+<div class="music-chart">
+  {% assign items = data.items | default: data %}
+  <ol type="1">
+    {% for item in items limit: count | default: items.size %}
+      {%- assign playTotal = playTotal | default: mostPlayed -%}
+      {%- assign percentage = item.plays | calculatePlayPercentage: playTotal -%}
+      <li value="{{ item.rank }}">
+        <div class="item">
+          <div class="presentation">
+            <div class="info">
+              <div class="title">
+                <a href="{{ item.url }}">{{ item.title }}</a>
+              </div>
+              {% capture playsLabel %}
+                {% if item.plays > 1 %}
+                  plays
+                {% else %}
+                  play
+                {% endif %}
+              {% endcapture %}
+              <div class="subtext">{{ item.artist }}</div>
+              <div class="subtext">{{ item.plays }} {{ playsLabel }}</div>
+            </div>
+          </div>
+          {% render "partials/media/progress-bar.liquid", percentage:percentage %}
+        </div>
+      </li>
+    {% endfor %}
+  </ol>
+</div>
+{% unless count %}
+  {% render "partials/nav/paginator.liquid", pagination:data %}
+{% endunless %}