Could you make one like this, please? http://pcgamingwiki.com/wiki/Template:Video_settings_sidebar
Topic on User talk:Garrett
If you want to set up a new namespace you'll need to make a forum topic or something (I don't have that ability). Namespaces are ideally made prior to use due to some technical issues in this regard.
Ah, I presumed Andy had already made that Guide namespace.