fix(tests): add default packet serializers

feat(tests): add tests for command processor, walk command handler, stateful injector

feat(tests): add player test with 0 UpgradeRareSubPacket

chore: update tests

fix: correct usings

chore: move PacketSerializer types to correct namespace

Merge pull request #32 from Rutherther/combat

Add combat extension

feat(tests): add Ski packet test

chore: update dependencies

chore: update to .NET 7

feat!(core): make some classes internal

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

feat(tests): add tests for bool and string converters

fix(tests): test null values correctly

feat: split packets definitions into separate assembly

Merge pull request #14 from Rutherther/packets-span

Rewrite packets string enumerator to use spans, add Injector for .NET 5+

feat: use ReadOnlySpan for deserialization instead of strings

Merge pull request #12 from Rutherther/packets

Implement custom packet serializer