ship editor fix: thruster attachment and connected part sprite
ship editor feat: attachment
ship editor feat: ghost snapping
ship editor feat: spawn hearty & eventually other parts
feat: add basic save file authentication infrastructure
netcode: fix attachment(2) (i odiot)
netcode: fix attachment, enable all events again
netcode: entity map important things
# Conflicts:
# crates/unified/assets/config/world.wc.toml
netcode,thrust: replicate thrusters again
netcode: rotation interpolation
netcode: interpolation is less dumb and stupid; also some ntp left over just in case
netcode fix: dumb stupid interpolation works when there's no inconsistent delay or loss or reordering of packets
netcode: readd interpolation
netcode: remove interpolation