For use in inventory GUI templates such as Template:Crafting and Template:Smelting.
Usage[]
{{Slot
|<Article name>
|left=<distance from left>px
|top=<distance from top>px
|image=<image filename>; defaults to article name
}}
If an image with the item name doesn't exist and no image is manually specified, 
is shown and the page is added to Category:Pages with broken file links.