Display Case Recreation

Added a debug key for testing. Pressing the down arrow ↓ will toggle the rendering of items in display cases.

Changed the recipe to be 1 Item Frame, 1 Brick, and 1 Glass Pane.

Slightly changed the texture of the display cases

Fixed the item being rotated the wrong way if the display case was placed in the east or west orientation

Mb gang there was a multiplayer bug