docs/) should be in English - all other languages should be in subfolders with the ISO 639-1 language codes, followed by
-and the country code where relevant. A list of common ones can be found here. If this folder doesn't exist, you may create it. Each of the translated files should have the same name as the English version, so things can fall back successfully.
_summary.mdfile should exist in this folder with a list of links to each file, with a translated name, and link preceded by the language folder:
noDataobjects should have a dictionary entry for the language folder in a string:
nameLinkobject, for setting the "QMK Firmware" heading link in the sidebar, must also be added to:
fallbackLanguageslist, so it will properly fall back to English instead of 404ing: