Add dropdown menu option for landing page

layouts/_partials/docs/menu-hugo.html

@@ -10,7 +10,8 @@
 <ul>
   {{ range . }}
   <li>
-    <a href="{{ .URL }}" {{ with .Params.class }}class="{{ . }}"{{ end }} {{ if not .Page }}target="_blank" rel="noopener"{{ end }}>
+    {{ $local := or (.Page) (strings.HasPrefix .URL "/") }}
+    <a href="{{ .URL }}" {{ with .Params.class }}class="{{ . }}"{{ end }} {{ if not $local }}target="_blank" rel="noopener"{{ end }}>
       {{- .Pre -}}
       {{ with .Page }}
         {{ partial "docs/title" .Page }}

layouts/landing.html

@@ -9,5 +9,7 @@
 {{ end }}
 
 {{ define "header" }}
+<nav>
   {{ partial "docs/menu-hugo" .Site.Menus.home }}
+</nav>
 {{ end }}