feat: add inventory types skeleton

feat: add position

feat: add login types skeleton

feat: add maps types skeleton

feat: add nostale game service collection extension

feat: add skeleton of game type

feat: add act4 status

chore: add repository url and license to nuget

docs: add documentation for missing fields

chore: add nuget description

fix(core): cancel player walk command on map change automatically

feat(core): add pet walk command

feat(core): add walk command for moving the player as well as pets simultaneously

feat(localclient): use take control command in local client

feat(core): add command for taking control

Allows only one silmutaneous action in the given group, user cancellable

feat: add possibility to convert error results to string

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+

chore: update packages to netstandard 2.1

fix: serialize "-" as null string