core&ui: update homepage config

packages/ui-default/templates/partials/homepage/discussion.html

@@ -0,0 +1,10 @@
+{% set ddocs = payload[0] %}
+{% set vndict = payload[1] %}
+{% if ddocs.length %}
+  <div class="section page--discussion_main">
+    <div class="section__header">
+      <h1 class="section__title">{{ _('Discussion') }}</h1>
+    </div>
+    {% include "partials/discussion_list.html" %}
+  </div>
+{% endif %}