Add full app (7 namespaces) and landing translations for: it, tr, vi,
pl, fa (RTL), th, uk, nl, ta, te, mr, fil, ms, sw, ro. Bringing the
supported set to 29 languages.
- register locales in appLocale.ts and landing/data/i18n.ts
- regenerate resources.d.ts language-name keys
- add native exonyms for the new languages to every existing common.json
- extend localePolicy tests to cover the new locales
Catalogs verified for key/placeholder parity (i18n:validate, 29 locales).
