fix: get block *below* the player

fixes issue w/ calculating block location

Author: JosTheDude

src/main/kotlin/dev/themeinerlp/attollo/listener/AttolloListener.kt

@@ -29,7 +29,7 @@ class AttolloListener(private val attollo: Attollo) : Listener {
     private fun handleElevator(player: Player, up: Boolean = false) {
         if (!player.hasPermission(USE_PERMISSION)) return
 
-        val location = player.location
+        val location = player.location.subtract(0.0, 1.0, 0.0)
         val block = location.block
 
         if (block.type != attollo.elevatorBlock) return
@@ -57,4 +57,4 @@ class AttolloListener(private val attollo: Attollo) : Listener {
        player.teleportAsync(modifiedLocation)
     }
 
-}
+}