add play sound on player add

scripts/menu.gd

@@ -5,6 +5,8 @@ extends Node
 var keywhitelist
 #var playeroverridecolors
 
+@onready var sfx: Node = $SFX
+
 var keyHolddownQueue = {}
 
 const KEY_HOLDDOWN_TO_ENTER_TIME=500 #in milliseconds
@@ -94,6 +96,9 @@ func _process(delta: float) -> void:
 			#if keywhitelist.has(event.keycode) or keywhitelist.size()<1: #is key whitelisted?
 			print("Key added. keycode:"+str(queuedKey))
 			var addedID=Gamestate.addPlayer(queuedKey)
+			
+			sfx.playAddPlayerSound() 
+			
 				
 			$MenuDisplay.update_playerlist(Gamestate.players,queuedKey,"explode")