Hello! You have correct tag, no worries. I uploaded all trade maps, but we don't need workshop maps on FastDL (at least in the case of TF2) since the client can download them directly from steam if you have your server setup to use the workshop map.
More on the workshop stuff: https://steamcommunity.com/sharedfiles/filedetails/?id=464901858
Take note that the link content is some years old by now, but it should be mostly the same.