Add tenant PWA help articles and links

docs/help/en/admin/guest-access-qr.md

@@ -0,0 +1,31 @@
+---
+title: "Guest Access & QR"
+locale: en
+slug: guest-access-qr
+audience: admin
+summary: "Share the join link or QR code and prepare printed layouts for guests."
+version_introduced: 2025.4
+requires_app_version: "^3.2.0"
+status: draft
+translation_state: aligned
+last_reviewed_at: 2026-01-23
+owner: onboarding@fotospiel.app
+related:
+  - slug: event-prep-checklist
+  - slug: tenant-dashboard-overview
+---
+
+## Where to find the QR
+Open the QR page from the event dashboard. You can copy the join link or download print layouts.
+
+## Best practices
+- Display the QR at entrances and the photobooth.
+- Include a short hint like “Scan to join and upload photos.”
+- Test the QR with a phone before guests arrive.
+
+## Sharing alternatives
+- Send the join link via email or messenger.
+- Add the link to printed invitations if the event is pre‑announced.
+
+### Need more help?
+See `event-prep-checklist` for the full prep flow.