Fix menu after hugo upgrade

site/layouts/partials/head.html

 
         <section id="posts">
           <ul>
-            {{ range first 3 (where .Site.Pages "Type" "post") }}
+            {{ range first 3 .Pages }}
               <li class="recent">
                 <a href="{{ .RelPermalink }}">{{ .Title }}</a>
                 <p>{{ .Date.Format "Jan 2, 2006" }}</p>
       </div>
     </header>
 
-    <div id="main">
+    <div id="main">