adding jui jitsu scene to room

src/base-environments/youth_room/room_handle.gd

@@ -11,6 +11,7 @@ enum Modes {
 
 signal freeze
 signal unfreeze
+signal startup
 
 var current_mode: int = Modes.FREEZE:
     set(new_mode):
@@ -18,6 +19,7 @@ var current_mode: int = Modes.FREEZE:
             current_mode = _update_scene(new_mode)
 
 func start():
+    emit_signal("startup")
     $light_animation.play("light_up")
     $AudioPlayer.play("intro")
     State.pass_stage_to($PlayerController)

src/default_bus_layout.tres

@@ -1,7 +1,6 @@
 [gd_resource type="AudioBusLayout" format=3 uid="uid://djkwd76o033io"]
 
 [resource]
-bus/0/mute = true
 bus/1/name = &"text"
 bus/1/solo = false
 bus/1/mute = false