add death sound and refactor jump sound

scenes/killzone.tscn

@@ -1,6 +1,7 @@
-[gd_scene load_steps=2 format=3 uid="uid://dpox5fa2pojpo"]
+[gd_scene load_steps=3 format=3 uid="uid://dpox5fa2pojpo"]
 
 [ext_resource type="Script" uid="uid://cc1vfgnshjrgf" path="res://scripts/killzone.gd" id="1_xlapc"]
+[ext_resource type="AudioStream" uid="uid://beoigk7eu8f6a" path="res://assets/sounds/hurt.wav" id="2_kl8fp"]
 
 [node name="Killzone" type="Area2D"]
 collision_mask = 2
@@ -10,5 +11,9 @@ script = ExtResource("1_xlapc")
 wait_time = 0.6
 one_shot = true
 
+[node name="Death" type="AudioStreamPlayer2D" parent="."]
+stream = ExtResource("2_kl8fp")
+bus = &"SFX"
+
 [connection signal="body_entered" from="." to="." method="_on_body_entered"]
 [connection signal="timeout" from="Timer" to="." method="_on_timer_timeout"]