This commit introduces a localization pipeline that submits our
localizable content to Touchdown, the modern localization service we
should have been using the whole time.
The pipeline is scheduled to run after the end of the workday around 6-7
PM Pacific (depending on daylight saving time) if there have been any
code changes on main.
Some of our localizable files were out of spec, so I moved them into the
right places and the right format.
