Adds several new items and structures for use in Unathi ruins. These
include:
Several ancient Unathi clothing items, including two sets of armor.
Pillars and statues for ruin decoration.
Three ancient Unathi melee weapons.
Several flags/banners/tapestries.
Sarcophagi, complete with booby-traps.
An undetonated nuclear bomb, for, uh... don't worry about it.
Bomb sprite by @nauticall, other ruin sprites by Gecko
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Signed-off-by: RustingWithYou <63625389+RustingWithYou@users.noreply.github.com>
Co-authored-by: Fluffy <65877598+FluffyGhoster@users.noreply.github.com>
c59e636746