Rtag

Additions

• Support for Minecraft 1.21.6, 1.21.7 and 1.21.8.
• Extensive data component detectors for item version lookup on newer Minecraft servers.
• ProblemReporter utility class to get a problem reporter on +1.20.3 servers.
• IOValue utility class to get a value input/output object on +1.21.6 servers.
• SkullTexture updated version, now compatible with multiple APIs, asynchronous methods and player profile fetching.

Changes

• ItemStack codec usage on ItemObject methods if the server is on 1.20.5 or higher.

Bug Fixes

• #12: fix rare exception with item serialization.
• Block entity load method not mapped correctly on 1.19 servers.