I've translated the default content into french and updated the loading code to try to get content according to navigator's language, with a default fallback.
Add french translation of default content
Select content according to navigator's language
Hey @clochix, thanks for this pull request and really sorry for not getting back to you in 8 months. However, we're currently taking a different approach via requirejs' i18n module--see #163--so we won't be using this right now. :/