Updated Setting up the waves (markdown)

Setting-up-the-waves.md

@@ -102,6 +102,8 @@ Boss waves consist of _one monster_ with a configurable (but optional) amount of
         disorient-target    Spins the target around 45-315 degrees
         root-target         Locks the target in place for a couple of seconds
         warp-to-player      Picks a random player in the arena to warp to
+        shuffle-positions   Swaps everyone's (including the boss) positions around
+        flood               Places a water block on a random player's location
         throw-target        Throws the target backwards (if in distance)
         throw-nearby        Throws all nearby (5 blocks radius) players
         throw-distant       Throws all distant (8+ blocks) players