Damage Capacity Maps for available wound boxes

[lupestro]

Some Fudge variants have a tabular way to map the damage control attribute to the number of available boxes for wounds of various levels. This is a "Damage Capacity Map". Provide:

• an item type for user-created Damage Capacity Maps, with the number of slots for each type of wound for each attribute level.
• configuration to select a named Damage Capacity Map to apply, and
• a predefined Damage Capacity Map in one of our compendia for people to try out.