HTML:
- tagline: data-i18n-html for line break support
- stats labels: about.files instead of palette.mode_files
- built_with, last_delivery, made_with: data-i18n spans
config.js:
- Months array: 12 French months -> t('month.*')
- Jokes array: 10 French jokes -> t('about.joke_*')
- Joke display: removed hardcoded «» wrappers
Locales:
- +34 new keys (months, jokes, about labels)
- 1231 keys in each locale