Refactor antag rule code (#23445)

* Initial Pass, Rev, Thief

* Zombie initial pass

* Rebase, Traitor

* Nukeops, More overloads

* Revert RevolutionaryRuleComponent

* Use TryRoundStartAttempt, Rewrite nukie spawning

* Comments, Add task scheduler to GameRuleSystem

* Zombie initial testing done

* Sort methods, rework GameRuleTask

* Add CCVar, Initial testing continues

* Might as well get rid of the obsolete logging

* Oops, i dont know how to log apparently

* Suggested formatting fixes

* Suggested changes

* Fix merge issues

* Minor optimisation

* Allowed thief to choose other antags

* Review changes

* Spawn items on floor first, then inserting

* minor tweaks

* Shift as much as possible to ProtoId<>

* Remove unneeded

* Add exclusive antag attribute

* Fix merge issues

* Minor formatting fix

* Convert to struct

* Cleanup

* Review cleanup (need to test a lot)

* Some fixes, (mostly) tested

* oop

* Pass tests (for real)

---------

Co-authored-by: Rainfall <rainfey0+git@gmail.com>
Co-authored-by: AJCM <AJCM@tutanota.com>

Content.Shared/CCVar/CCVars.cs

@@ -487,6 +487,13 @@ namespace Content.Shared.CCVar
         public static readonly CVarDef<int> PiratesPlayersPerOp =
             CVarDef.Create("pirates.players_per_pirate", 5);
 
+        /*
+         * Nukeops
+         */
+
+        public static readonly CVarDef<bool> NukeopsSpawnGhostRoles =
+            CVarDef.Create("nukeops.spawn_ghost_roles", false);
+
         /*
          * Tips
          */