update readme
update readme

reflecting new name and irc chan

MrLeebo/unitystation,MrLeebo/unitystation,krille90/unitystation,Lancemaker/unitystation,Necromunger/unitystation,Necromunger/unitystation,fomalsd/unitystation,krille90/unitystation,Necromunger/unitystation,Necromunger/unitystation,Necromunger/unitystation,MrLeebo/unitystation,fomalsd/unitystation,krille90/unitystation,Necromunger/unitystation,fomalsd/unitystation,MrLeebo/unitystation,fomalsd/unitystation,fomalsd/unitystation,fomalsd/unitystation,MrLeebo/unitystation,MrLeebo/unitystation,Lancemaker/unitystation,fomalsd/unitystation