feat(packets): make vnum int

fix(packets): implement IPacket in RaidBfPacket

feat(game): add raid handling

feat(packets): add raid types

tests: add raid packet tests

feat(packets): add raid packets

feat(packets): add conditional list index attribute

fix(packets): make nullable, optional wrapper not throw an exception for non-generic types

feat(game): add dialog handling, dialog opened event

feat(packets): add dialog packets

Merge pull request #54 from Rutherther/test/packet-files

Add tests working with packet files

tests: add basic inventory, group, charater tests

chore: add mates and friends packet logs

fix: change packet logs extension to plog to avoid gitignore

chore: copy init_off_on log

chore: use Shouldly

tests: add game friends tests

chore: add Game test files with comments saying what tests to implement

tests(game): add basic test for mates

chore: add game tests to solution