:tada: Export parameter to hide every slide

Hide every slide at startup, except if the slide is marked as always
visible.

godot/projector/show/Show.gd

@@ -10,6 +10,7 @@ signal fast_move
 const VOID_SLIDE_ID := -1
 
 @export var start_slide := 0
+@export var hide_slides := false
 
 var current_id := VOID_SLIDE_ID
 var current_slide: Slide
@@ -19,7 +20,10 @@ var current_slide: Slide
 
 func _ready() -> void:
 	_enforce()
-	hide_every_slide()
+
+	if hide_slides:
+		hide_every_slide()
+
 	go_slowly_to_next_slide()
 
 

godot/run/root.tscn

@@ -92,6 +92,7 @@ move_trans = 3
 scope_trans = 10
 
 [node name="Show" parent="Board" instance=ExtResource("2_cih7e")]
+hide_slides = true
 
 [node name="World" parent="Board/Show" instance=ExtResource("3_s3lgd")]
 scale = Vector2(10, 10)