ADD: star rating widget. [1]

Author: ivan-nginx

layout/_third-party/rating.swig

@@ -0,0 +1,18 @@
+{% if theme.rating.enable and (not is_home() and is_post()) %}
+  <script type="text/javascript">
+  wpac_init = window.wpac_init || [];
+  wpac_init.push({widget: 'Rating', id: {{ theme.rating.id }},
+    el: 'wpac-rating',
+    color: '{{ theme.rating.color }}'
+  });
+  (function() {
+    if ('WIDGETPACK_LOADED' in window) return;
+    WIDGETPACK_LOADED = true;
+    var mc = document.createElement('script');
+    mc.type = 'text/javascript';
+    mc.async = true;
+    mc.src = '//embed.widgetpack.com/widget.js';
+    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(mc, s.nextSibling);
+  })();
+  </script>
+{% endif %}