Merge pull request #82 from Rutherther/feat/serialize-stackalloc

Use stackalloc and Span for packet serialization

Revert "feat: use "in" instead of "ref" in packet serializer"

This reverts commit ae1b3301e659c237a10f742675e1f8db9389d2db.

feat: use "in" instead of "ref" in packet serializer

feat: use stackalloc and Span for packet serialization

Merge pull request #47 from Rutherther/feat/pass-nullable

Pass CanBeNull to string serializer and converter

feat(packets): pass nullable to packet serializers

chore: move PacketSerializer types to correct namespace

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: update factories

refactor: split string converters