Darki UI (Dark + OreUi)

Just small changes, additions and corrections

• Fixed half-heart textures.
• Changed the default beacon button texture to avoid confusion.
• Added error indicators for anvil and grindstone.
• Added scrollers in creative mode.
• Added missing elements to the villager trading interface.
• Slot icons are now clearer.
• Updated chest and smithing textures.
• Fixed low resolution in the shulker box texture.