You just hit subscribe and then restart your game. You will have to start a new game (and unlock the technology) for them to show up though, they won't appear in games you are already half way through.

Hey man! Do you know how to load ships from the steam workshop in the game? I seem to have trouble to load your asets in my game

Lol thanks. Yeah it was down the back of the sofa all along :-p

Man, your works are almost perfect! Did you recive Standard Template Construct (STC) on your Quest for Knowledge?