Timo b2ff24e155 SEO: add crawlable language navigation links for Google indexing ...

- Add sr-only CSS class for screen-reader/crawler-visible elements
- Add hidden <nav> with real <a> links to all 6 language versions in template.html
- Googlebot can now discover /de/, /fr/, /es/, /pt-BR/, /ru/ via HTML links
- No visual changes - existing <select> dropdown remains the user-facing switcher
- Rebuild all www/ output with updated CSS hash

2026-06-01 05:36:06 +02:00

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index.html

SEO: add crawlable language navigation links for Google indexing

2026-06-01 05:36:06 +02:00