feat: add analytics visibility settings and export functionality

- Added `analytics_visibility` column to `rooms` table to control who can view analytics data.
- Updated analytics routes to check visibility settings before allowing access and export of analytics data.
- Implemented export functionality for analytics in CSV, XLSX, and PDF formats.
- Enhanced `AnalyticsList` component to include export options for analytics entries.
- Updated room detail page to allow setting analytics visibility when creating or editing rooms.
- Added translations for new analytics visibility options and export messages.

src/i18n/de.json

@@ -258,7 +258,11 @@
     "defaultWelcome": "Willkommen zum Meeting!",
     "analytics": "Lernanalyse",
     "enableAnalytics": "Lernanalyse aktivieren",
-    "enableAnalyticsHint": "Sammelt Engagement-Daten der Teilnehmer nach jedem Meeting."
+    "enableAnalyticsHint": "Sammelt Engagement-Daten der Teilnehmer nach jedem Meeting.",
+    "analyticsVisibility": "Wer kann die Analyse sehen?",
+    "analyticsOwnerOnly": "Nur Raumbesitzer",
+    "analyticsSharedUsers": "Alle geteilten Benutzer",
+    "analyticsVisibilityHint": "Legt fest, wer die Analysedaten dieses Raums einsehen und exportieren kann."
   },
   "recordings": {
     "title": "Aufnahmen",
@@ -295,7 +299,10 @@
     "duration": "Dauer",
     "meetingDuration": "Meeting-Dauer",
     "raiseHand": "Handheben",
-    "reactions": "Reaktionen"
+    "reactions": "Reaktionen",
+    "export": "Herunterladen",
+    "exportSuccess": "Download gestartet",
+    "exportFailed": "Fehler beim Herunterladen"
   },
   "settings": {
     "title": "Einstellungen",