See full description here: https://phabricator.wikimedia.org/maniphest/task/edit/136441/
This ticket is to do steps 5, 6 and 7:
5. as translations come in from the community, they are 'pushed' to our new .json file in our repository
- one file per language
- updates are generally pushed twice a week
6. update the wikipedia.org portal page to call this new .json file when the page is loaded and the user's preferred browser language is detected
7. every time the wikipedia.org portal page is updated, the new translations will need to be retrieved from the repo and merged to then be updated with the rest of the portal