Add rel="noopener" to all target="_blank" links (tabnabbing fix)

- template.html: 10 links fixed (propagates to 13 language variants)
- join.html, privacy.html, imprint.html, impressum-de.html, datenschutz-de.html
- app.js: 2 window.open() calls updated with 'noopener'
- Rebuilt site with node website/build.js

Preserves HTTP Referer — noreferrer intentionally omitted.
This commit is contained in:
KoalaDev
2026-06-09 02:40:03 +02:00
parent fa39be7d40
commit 15f4f5a12e
27 changed files with 193 additions and 193 deletions
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