docs: add missing documentation

feat(packets): make su packet position nullable

fix(packets): make mltobj packet list a list index

fix(packets): add packet header for sayi2 packet

feat(packets): add hp, max hp into su and st packets

fix(packets): implement IPacket in Sayi2Packet

feat(packets): add buff, chat, raid, teleport, mates control packets

feat(packets): make lists and conditional parameters non-optional non-nullable

fix(packets): correctly parse family

chore: put raid header under raidf header to make raid header the default one

fix(packets): make upgrade rare sub packet nullable

fix(packets): make cmode fields correctly optional

fix(packets): split rdlst, rdlstf due to different fields

fix(packets): make rdlst players have a list index

Merge pull request #53 from Rutherther/feat/raids

Add raid processing

feat(packets): make hero level a byte

fix (packets): add hp correctly to rboss packet

feat(packets): make vnum int

fix(packets): implement IPacket in RaidBfPacket

feat(packets): add raid types