Bug Fixes:
- index.html: remove duplicate <title> tags (invalid HTML), use single
title + JS swap; fix og:image relative→absolute URL (logo.png)
- join.html: fix hardcoded lang=de, add language detection IIFE,
add lang toggle to nav, make badge/title/desc/actions bilingual,
add missing </head> closing tag, add noindex meta
- app.js: join status handler was German-only; now fully bilingual
(Success/Error titles, countdown, close/retry button labels)
Improvements:
- Add Firefox 'Add to Firefox' button to hero CTA (placeholder href=#)
- impressum.html / datenschutz.html: add noindex meta to keep legal
pages out of search results
- robots.txt: add Sitemap directive for SEO crawlability
- sitemap.xml: new file listing main page + legal pages with priorities
- style.css: mobile nav hamburger menu (☰) replaces display:none
blackout; nav-links drop down on mobile with backdrop blur
- style.css: cta-group flex-wrap for narrow screens
- Hamburger button added to all 4 page navs
- Add language toggle and German translation to website
- Optimize manifest description
- Add robots.txt
- Add open source transparency clause to privacy policy
Koala