Added creative tab

• You can grab any displayed food block item you want, even if the required mod/addon is not installed.

• displayed food block items are not obtainable in survival

• If required mod/addon is not installed, displayed food block item will not drop anything

• Added all item models

Technical changes

• EmptyPlateBlock and EmptySmallPlateBlock no longer extends HorizontalDirectionBlock
• default stack of StackablePlateFoodBlock is set to 6