Feat: integrate tag_cloud

theme/templates/partial/tagcloud.html

@@ -0,0 +1,15 @@
+<div class="tagcloud">
+    <h2>Thèmes</h2>
+    <ul>
+        {% for tag in tag_cloud %}
+        <li class="tag-{{ tag.1 }}">
+            <a href="{{ SITEURL }}/{{ tag.0.url }}">
+                {{ tag.0 }}
+                {% if TAG_CLOUD_BADGE %}
+                <span class="badge">{{ tag.2 }}</span>
+                {% endif %}
+            </a>
+        </li>
+        {% endfor %}
+    </ul>
+</div>