add the ethical ads div (#576)

Signed-off-by: Nicolas MASSART <nicolas.massart@consensys.net>

custom_theme/assets/stylesheets/custom_theme.css

@@ -61,3 +61,7 @@
 .md-source-date {
   font-style: italic;
 }
+
+.md-sidebar__scrollwrap{
+  scroll-snap-type: none !important;
+}

custom_theme/main.html

@@ -48,3 +48,25 @@
   {% endif %}
   {{ page.content }}
 {% endblock %}
+
+{% block site_nav %}
+  {% if nav %}
+    <div class="md-sidebar md-sidebar--primary" data-md-component="navigation">
+      <div class="md-sidebar__scrollwrap" style="scroll-snap-type: none;">
+        <div class="md-sidebar__inner">
+          {% include "partials/nav.html" %}
+        </div>
+        <div id="readthedocs-ethical-ads" class="flat" data-ea-publisher="readthedocs" data-ea-type="image" data-ea-campaign-types="community|house"></div>
+      </div>
+    </div>
+  {% endif %}
+  {% if page.toc %}
+    <div class="md-sidebar md-sidebar--secondary" data-md-component="toc">
+      <div class="md-sidebar__scrollwrap">
+        <div class="md-sidebar__inner">
+          {% include "partials/toc.html" %}
+        </div>
+      </div>
+    </div>
+  {% endif %}
+{% endblock %}