This update adds support for a new armor tier. This requires changes to existing locale files. If you're using the default locale file, just delete the old one and let an up-to-date one be generated. If you're using a custom locale file, you'll need to add the new entries manually.
What's Changed
Add support for Portuguese language and proper Readme in #29
Add support for the COPPER armor tier on Minecraft 1.21.9+ in #30