Added CreatureSpawnEvent.SpawnReason.TRAP

By: BlackHole <black-hole@live.com>

paper-api/src/main/java/org/bukkit/event/entity/CreatureSpawnEvent.java

@@ -164,6 +164,10 @@ public class CreatureSpawnEvent extends EntityEvent implements Cancellable {
          * jockeys)
          */
         MOUNT,
+        /**
+         * When an entity spawns as a trap for players approaching
+         */
+        TRAP,
         /**
          * When a creature is spawned by plugins
          */