integrate liberapay

index.html

@@ -11,6 +11,7 @@ webm_path: /assets/vi/0001-0076.webm
     <h1>{{ site.title }}</h1>
     <h2>{{ page.title }}</h2>
     <h2>{{ page.description }}</h2>
+    {% include liberapay.html %}
   </div>
   <div class="pivot">
     <h2>You are here</h2>