Update Translation credits

Author: rhld16

translations/README.md

@@ -3,9 +3,11 @@
 As users contribute translations of the plugin's `intl.yml`, they will appear here. Simply download a translation file, rename it to `intl.yml`, and place it in the plugin's folder on your Minecraft server.
 
 # Currently translated languages
-- Chinese (by JohnsonRan)
+- Chinese (by [JohnsonRan](https://github.com/JohnsonRan))
 - Russian (by 2006lev)
 - Portuguese (by Atoidi)
+- Korean (by [Esherloon](https://github.com/jinoo2005609))
+- Ukranian (by [AKRGamesUa](https://github.com/AKRGamesUa))
 
 ## Contributing
 
@@ -14,4 +16,4 @@ Make a pull request with changes an existing translation, or add a new translati
 Please don't add an English translation, that is already in the default `intl.yml`.
 
 > ### Not great with Git?
-> No problem! Notify a developer in our [Discord](https://discord.gg/VdCAUtm), and they can make the pull request on your behalf.
+> No problem! Notify a developer in our [Discord](https://discord.gg/VdCAUtm), and they can make the pull request on your behalf.