HEY ATTENTION GRABBER LOL!
Game discussion goes in Games, and we aren't the Gmod technical support team ffs. They have a forum too you know.
Third, just put it in the add-ons folder. Not Derma, not day of defeat, just save the folder of the add-on into add ons. That's it. You're done. Maps go in garrysmod/garrysmod/maps. Simple.
