change location of nav data

layouts/partials/nav.html

@@ -2,7 +2,7 @@
     <nav>
         <ul>
             <li class="tag"><a data-tooltip="all" href="#"><i class="icon fa fa-th" aria-hidden="true"></i></a></li>
-{{ range .Site.Data.nav.tags }}            {{ partial "nav_item.html" . }}{{- end }}
+{{ range .Site.Params.nav }}            {{ partial "nav_item.html" . }}{{- end }}
         </ul>
     </nav>
 </div>

layouts/partials/nav_item.html

@@ -1 +1 @@
-<li class="tag"><a data-tooltip="{{ .name }}" href="#{{ .name | urlize }}"><i class="icon fa fa-{{ .icon }}" aria-hidden="true"></i></a></li>
+<li class="tag"><a data-tooltip="{{ .name }}" href="#{{ .tag | urlize }}"><i class="icon fa fa-{{ .icon }}" aria-hidden="true"></i></a></li>