Added new version of pool room vault with deep water.

data/vaults/deep_poolroom.vlt

@@ -0,0 +1,24 @@
+! a room containing a pool of shallow water
+@id:deep_pool_room
+@map
+random(5,5)
+@end
+
+@legend
+@end
+
+@flags
+goesin:dungeon
+autodoors:50
+autopop
+fill(2,2,-3,-3) cell:low rock floor:100
+fill(2,2,-3,-3) ob:very deep water:100
+scatter(2,2,-3,-3) mon:piranha:40%:100
+! chance of some good stuff items...
+scatter(2,2,-3,-3) ob:rare random thing:1:30
+scatter(2,2,-3,-3) ob:rare random thing:1:20
+scatter(2,2,-3,-3) ob:vrare random thing:1:10
+rarity:vrare
+rarity:uncommon
+@end
+