Fixed UI system

scripts/Event/EventTextbox.gd

@@ -0,0 +1,11 @@
+class_name EventTextbox extends "res://scripts/Event/Event.gd"
+
+# @export var text:Array[String] = [ "Hello Text" ];
+@export_multiline var text:String = "Hello Text"
+
+func start() -> void:
+	super.start()
+	VN.getTextbox().setText(self.text);
+
+func isDone() -> bool:
+	return super.isDone() && VN.getTextbox().isClosed;