add theme

themes/academic/layouts/404.html

@@ -0,0 +1,24 @@
+{{ partial "header.html" . }}
+{{ partial "navbar.html" . }}
+<div class="container">
+
+  <h1>Page not found</h1>
+  <p>Maybe you were looking for one of these?</p>
+
+  <h2>Recent Posts</h2>
+  {{ range last 20 (where .Data.Pages "Section" "=" "post") }}
+  <ul>
+    <li><a href="{{ .Permalink }}">{{ .Title }}</a></li>
+  </ul>
+  {{ end }}
+
+  <h2>Recent Publications</h2>
+  {{ range last 20 (where .Data.Pages "Section" "=" "publication") }}
+  <ul>
+    <li><a href="{{ .Permalink }}">{{ .Title }}</a></li>
+  </ul>
+  {{ end }}
+
+</div>
+{{ partial "footer_container.html" . }}
+{{ partial "footer.html" . }}