added audio subtitle system and menus and more

scripts/audio_subtitle_system.gd

@@ -0,0 +1,21 @@
+extends AudioStreamPlayer3D
+
+@export var voice_lines: Array[VoiceLine]
+
+@onready var textbox: RichTextLabel = $CanvasLayer/PanelContainer/RichTextLabel
+
+var played: bool
+
+func _on_area_3d_body_entered(body: Node3D) -> void:
+	if !played && body is Player:
+		start_audio_sequence()
+		played = true
+
+func start_audio_sequence():
+	$CanvasLayer/PanelContainer.show()
+	for line in voice_lines:
+		textbox.text = line.text
+		stream = line.audio
+		play()
+		await finished
+	$CanvasLayer/PanelContainer.hide()