docs: translate German documentation files to English

Translate BACKLOG.md and docs/SPEC.md from German to English for
international contributor accessibility. Fix outdated CONTRIBUTING.md
statement that claimed UI text is German-only — app now supports
multiple locales via i18n.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Ulas
2026-04-03 17:01:19 +02:00
parent b1ee4439be
commit 6046cac7a8
3 changed files with 178 additions and 178 deletions
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@@ -184,7 +184,7 @@ PRs are reviewed by the maintainer. Expect feedback within a few days. Once appr
### Frontend
- Web Component prefix: `oikos-` (one component per file)
- All UI text in **German** (the app targets German-speaking families)
- All UI text via i18n keys (`t('key')`) — never hardcode text in components. German (`de`) is the reference locale.
- Date format: `DD.MM.YYYY` - Time format: `HH:MM` (24h)
- CSS uses design tokens from `public/styles/tokens.css` - never hardcode values
- Pages export a `render()` function, no side effects on import