Merge branch 'steven/item_stack' into 'main'

objects/UI/inventory/base/base_slot.gd

objects/UI/inventory/equipment/equipment_slot.gd

objects/UI/inventory/hotbar/hotbar_container.tscn

objects/UI/inventory/hotbar/hotbar_slot.gd

objects/UI/inventory/inventory/inventory_slot.gd

objects/characters/enemies/test_enemy.tscn

objects/characters/grovekeeper.tscn

objects/pickupable/pickupable.tscn

objects/resources/item/1_apple.tres

objects/resources/item/1_seed_apple.tres

objects/resources/item/1_wood.tres

objects/resources/item/2_axe.tres

objects/resources/item/3_armor_boots.tres

objects/resources/item/3_armor_chestplate.tres

objects/resources/item/3_armor_head.tres

project.godot

rooms/test.tscn

rooms/tutorial.tscn

rooms/world.tscn

scripts/characters/actor_stats.gd