Add spine and dialogic museums

docs/museums/dialogic/raptor_showcase.gd

@@ -0,0 +1,12 @@
+extends Node2D
+
+@export var start_timeline: DialogicTimeline
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	Dialogic.start(start_timeline)
+	pass
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass