Revert "feat(packets): make position ushort"

This reverts commit 8610668d17586fc8d502d8c86842af9504729c7a.

feat(packets): make position ushort

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

fix: fix attribute indexes in walk packet

feat: add walk packet