Remove unused assets, refactor migration handling, and add crash reporting

- Deleted obsolete icons, layout files, and SVG assets.
- Added `useAutoUpdate` hook for streamlined update logic.
- Introduced `auto_migrate_electron` and migration commands for Electron-to-Tauri data migration.
- Implemented `init_panic_hook` for improved crash reporting.
- Updated `.gitignore` for Tauri build output and IDE-specific files.

app/main.tsx

@@ -8,7 +8,7 @@ import * as tauri from '@/lib/tauri';
 import PulseLoader from '@/components/ui/PulseLoader';
 import {useTranslations} from '@/lib/i18n';
 
-listen('auth-success', () => window.location.reload());
+listen('auth-success', () => window.location.reload()).then();
 
 type MigrationState = 'pending' | 'error' | 'done';