Added item stacking

prefabs/UI/Inventory/Slot.tscn

@@ -41,4 +41,22 @@ label_settings = SubResource("LabelSettings_7emux")
 horizontal_alignment = 1
 vertical_alignment = 1
 
+[node name="AmountLabel" type="Label" parent="."]
+layout_mode = 1
+anchors_preset = -1
+anchor_left = 1.0
+anchor_top = 1.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = -409.0
+offset_top = -329.0
+offset_right = -10.0
+offset_bottom = -10.0
+grow_horizontal = 0
+grow_vertical = 0
+theme_override_colors/font_color = Color(0, 0, 0, 1)
+text = "999"
+horizontal_alignment = 2
+vertical_alignment = 2
+
 [connection signal="gui_input" from="." to="." method="_on_gui_input"]