feat(packets): add conditional list index attribute

feat(packets): prevent duplicit usings inside source generator

chore: add async analyzer and meet its standards

chore: update versions

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

Pass CanBeNull to string serializer and converter

fix(packets): add forgotten nullable check to inline enum generator

feat(packets): pass nullable to packet serializers

Merge pull request #45 from Rutherther/feat/mates

Add support for mates

feat(packets): add nullable wrapper to represent a compoud type that may be null as a whole

fix(packets): correctly deserialize list with generic elements inline

fix(packets): correctly deserialize list with nullable elements inline

chore: update versions

fix(packets): make generator work with packets that have 0 members

chore: update dependencies

chore: make serializer generator correctly output to nuget

chore: add repository url and license to nuget

chore: add nuget description

fix(packets): syntax error in generator

fix(packets): deserialize strings starting with "-" correctly

feat(serializer): fix null representation as stated in #18