generalized card vs item, cleaned up some headbob stuff, added the ability to refund a wall block

Scripts/Resources/card.gd

@@ -1,12 +1,10 @@
-extends Resource
+extends Item
 class_name Card
 
 enum Faction {GENERIC = 0}
 
-@export var title : String
 @export var rarity : Data.Rarity
 @export var faction : Faction
-@export var sprite : Texture
 @export var turret_scene : PackedScene
 @export var weapon_scene : PackedScene
 @export var weapon_stats : CardText

Scripts/Resources/item.gd

@@ -0,0 +1,5 @@
+extends Resource
+class_name Item
+
+@export var display_name : String
+@export var icon : Texture