client: added CardManager and resources for full card deck

cards/card.gd

@@ -0,0 +1,21 @@
+class_name Card
+extends Resource
+
+@export_range(0, 60) var card_id: int
+@export var card_type: CardType = CardType.NUMBERED
+@export_range(1, 13) var card_value: int = 1
+@export var color: CardColor
+
+enum CardType {
+	NUMBERED = 0,
+	JESTER = 1,
+	MAGICIAN = 2,
+}
+
+enum CardColor {
+	BLUE = 0,
+	GREEN = 1,
+	RED = 2,
+	YELLOW = 3,
+	WHITE = 4,
+}