fix(tests): add default packet serializers

feat(tests): add player test with 0 UpgradeRareSubPacket

chore: update tests

chore: move PacketSerializer types to correct namespace

Merge pull request #8 from Rutherther/game-objects

Game objects

feat(samples): add sample with loading data from a file

docs: remove see converter from packet tests

fix(tests): test null values correctly

feat: split packets definitions into separate assembly

Merge pull request #12 from Rutherther/packets

Implement custom packet serializer

fix: samples to work with NosSmooth packets

feat(tests): add in packet converter tests