Add a kidnap objective for antags

[I-Sett]

Killing someone is far easier than kidnapping someone alive. I propose making it an objective make sure crewmember x ends the round aboard a syndicate prison ship/ jail next to the listening post (whichever works)
I could see this being a challenge to pull off and also creating some fun gameplay.

Fun in theory. Main issue is if these captives have to be alive. Most people will just suicide if you take them somewhere and permanently incapacitate them so that they can observe the round. It's actually more fun to be dead and ghost around than to just sit around somewhere or in permanent unconsciousness.