`French translation Progress` (#3) Miss fill translated article(s).

[This translated article doesn't appear as it in #3 issue, but it actually is](https://github.com/javascript-tutorial/fr.javascript.info/blob/master/1-js/12-generators-iterators/2-async-iterators-generators/article.md)

Compare the linked article at 1-js/12-generators-iterators/2-async-iterators-generators/article.md with the translation progress recorded in issue #3. Determine where that completed translation should be listed, then update the progress record so the article appears there.

Written by the indexing model from the issue text.