:Link to GNU Social instance in menu

tpl/.config

@@ -55,6 +55,8 @@ html_pre_index="$(
     words=( ${name//[_-]/ } )
     printf '<li><a href="/%s">%s</a></li>' "$name" "${words[*]^}"
   done
+  echo '<li><a href="//social.mikegerwitz.com/"' \
+    'title="My GNU Social Instance">Notices</a></li>'
 
   # the remainder will appear below the menu, above the index
 cat <<EOH