Added a dynamic layout system where UI elements can be moved about on a tiled grid.

scripts/layout_slot.gd

@@ -0,0 +1,17 @@
+@tool
+extends PanelContainer
+
+@export var title := "RESERVED":
+	set(value):
+		title = value
+		if is_node_ready():
+			%Title.text = value
+@export_multiline var description := "":
+	set(value):
+		description = value
+		if is_node_ready():
+			%Description.text = value
+
+func _ready() -> void:
+	%Title.text = title
+	%Description.text = description