To enable internationalization for your project:

1. Add a use_translate key to your configuration file
2. Add default_language key to your configuration file with main language. For example default_language="en"
3. Add other_languages key to your configuration file with the list of the other languages. For example other_languages=["ua", "ru"]
4. Mark strings for translation in your site (using {% trans %})
5. Put {% load i18n %} at the top of template with trans tags
6. Run cactus messages:make
7. Edit the .po file that was created with translations.
8. Run cactus build to create multilanguage site structure