Use .Site.BaseURL to generate sidebar "Home" link

layouts/partials/sidebar.html

     </div>
 
     <ul class="sidebar-nav">
-      <li><a href="/">Home</a> </li>
+      <li><a href="{{ .Site.BaseURL }}">Home</a> </li>
       {{ range .Site.Menus.main }}
         <li><a href="{{.URL}}"> {{ .Name }} </a></li>
       {{end}}