Fix URL in footer (#95)

layouts/partials/footer.html

@@ -30,7 +30,7 @@
                 {{ $sectionID = .section.id }}
               {{ end }}
               <li class="nav-item">
-                <a class="smooth-scroll" href="/#{{ $sectionID }}">{{ .section.name }}</a>
+                <a class="smooth-scroll" href="#{{ $sectionID }}">{{ .section.name }}</a>
               </li>
             {{ end }}
           {{- end }}