Fix link to landing page

JAVA-1730

Author: rozza

docs/reference/themes/mongodb/layouts/partials/header/main.html

@@ -6,7 +6,7 @@
     </div>
     <!--logo start-->
     <div class="logo pull-left">
-      <a href="{{.Site.BaseUrl}}">
+      <a href="{{ .Site.BaseUrl}}/../">
         <img src="{{.Site.BaseUrl}}/img/logo-mongodb-header.png", alt="MongoDB.org" />
       </a>
     </div>

docs/reference/themes/mongodb/layouts/partials/menu.html

@@ -3,8 +3,8 @@
     <div class="ssidebar nav-collapse">
       <div class="ssidebarwrapper">
         <h3>
-          <a class="index-link" href="{{.Site.BaseUrl}}">{{ .Site.Title }}</a>
-          {{ with .Site.Data.mongodb.currentVersion }}<a class="version pull-right" href="">{{ . }}</a>{{ end }}
+          <a class="index-link" href="{{ .Site.BaseUrl}}/../">{{ .Site.Title }}</a>{{ $baseUrl := .Site.BaseUrl}}
+          {{ with .Site.Data.mongodb.currentVersion }}<a class="version pull-right" href="{{$baseUrl}}">{{ . }}</a>{{ end }}
         </h3>
 
         <!-- sidebar menu start-->