- Installed @tauri-apps/plugin-dialog for native dialogs
- Added tauri-plugin-dialog to Rust dependencies
- Registered dialog plugin in Tauri app initialization
- Replaced web alert() with Tauri message() dialog
- Success dialog shows filename and download location
- Error dialog shows if export fails
- Added 20mm margins on all sides of PDF pages
- Content width adjusted to 170mm (210mm - 40mm margins)
- Multi-page support respects margins on all pages
- Native dialogs work properly in Tauri app
- Changed productName from 'nextcloud-notes-tauri' to 'Nextcloud Notes'
- Updated identifier to 'com.davidrelich.nextcloud-notes'
- App will now show as 'Nextcloud Notes' in macOS Applications
- DMG and .app bundle will use proper name
