Warning: This is beta version. Create "Localized" folder in "plugins" folder
Using guide:
Open config.yml file and wtite
LANG_STRING=Localized STRING to LANG
For example:
Code (YAML):
en_us_helloworld
: Hello World!
ru_ru_helloworld
: Привет Мир!
Save it, restart a server. Now you can use placeholder %localized_helloworld%, and it replaces to string.