feat(game): handle null skill vnum in su packet responder

fix(game): create character on at packet received

fix(game): make effects vnum short instead of long

chore: update Game

Merge pull request #32 from Rutherther/combat

Add combat extension

fix(game): create npc instead of monster in InResponder

fix(packets): correctly use cast id instead of vnum in UseSkill packet

feat(game): respond to skill use packet sent from the client to set cooldown early

fix(game): set health to 0 on entity death

fix(game): verify eq packet size

Merge pull request #8 from Rutherther/game-objects

Game objects

feat(game): use entity stunned event instead of character stunned

feat(game): add character sp points

feat(game): add handling of packets for maps and entities

fix: use correct namespaces inside of game project

feat: extract game semaphores logic

fix: use new packets in game responders

feat: implement cinfo packet

fix: use nos smooth packets in game

feat: add responders for character actions