Allow configuring the natural attacks (eg, part of their body rather
than an item) of a creature. Each attack has a description and a damage
associated with it.
Change-Id: I69698a8ac4ee2da91e4c88e419593627519522a5
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3220
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI