feat(game): keep only skills of type Player in player's skills

Merge pull request #60 from Rutherther/feat/combat-v1

Make combat nonblocking, make multiple queues for distinct operations

feat(game): remove primary and secondary skill from OtherSkills, add AllSkills

Merge pull request #45 from Rutherther/feat/mates

Add support for mates

feat(game): add mates processing

feat(game): add group processing

feat(game): put friends, group, inventory, skills in Game instead of Character

Merge pull request #8 from Rutherther/game-objects

Game objects

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 nos smooth packets in game

feat: add responders for character actions