Add registration v2 internationalization strings

[FinnIckler]

Will need to do a final check on if that is all we need. There's two ways we can include it in the v2 build: a) Have the build pull the latest registrations from git and bundle it as part of the js build b) Make sure that the translations file from webpacker always ends up with the same name and we just load it from the wca,org asset folder

If we don't want to massively blow up our js bundle, it's probably better to do b)