feat(packets): add many new packets

Merge pull request #8 from Rutherther/game-objects

Game objects

feat: extract game semaphores logic

feat: split packets definitions into separate assembly

Merge pull request #12 from Rutherther/packets

Implement custom packet serializer

feat: enable inline converters in all packets

feat: add packets (ncif, u_as, pusle, msg, say, st, stat, c_mode, lev, ski, sr)