Update Jellyfin_Fix_and_Scan.sh

Added db replacement and permissions fix example

Jellyfin_Fix_and_Scan.sh

@@ -16,7 +16,9 @@ if [ -n "$error_found_1" ] || [ -n "$error_found_2" ]; then
     echo "Error found in journal, deleting database file..."
     rm -f /var/lib/jellyfin/data/library.db
     # Optionally, replace with a backup and set correct permissions here.
-    echo "Database file deleted."
+    cp "/path/to/backups/Jellyfin/library.db" "/var/lib/jellyfin/data/library.db"
+    /usr/bin/chown jellyfin:jellyfin "/var/lib/jellyfin/data/library.db"
+    echo "Database file replaced with backup."
 
     # Trigger library scan
     echo "Triggering library scan..."