offer rename prompt for antags on roundjoin/start

[Telareti]

I like all the ideas that have been said! the one i think is nice is the idea of being able to load a save file for another character if you get antag, it means you can have your normal nice character selected but if you get antag you are given your evil character to play as! think it would really help with rp, and this way with the save file, it wont just be a name change but you will look like someone else, it could be a entirely different person, or maybe a alternate look for your normal character, would really expand the rp i feel! in my head i imagine a little box that says "select save file for antag" or something like that in the character set up but it might be a bit harder to code than that, im not very wise in coding heheh! but i love the ideas!