Need some help with GalaxyForge.

Very, very new to this. I've been trying to modify Areolian Sector to have a set home planet for the player that has three metal and crystal resource asteroids. At first I had trouble with having two home planets, but I managed to fix that (didn't see the other planet that said player 0). So, I'm asking is there a good guide that can tell me how to do what I asked or can someone post some instructions? 

Any help is much appreciated.