- Marked tasks in `TODO.md` as completed for moving backup-related files to the `data-management` directory and correcting imports across the codebase.
- Updated imports in `backup-manager.ts`, API routes, and various components to reflect the new structure.
- Removed obsolete `backup.ts` and `backup-scheduler.ts` files to streamline the codebase.
- Added new tasks in `TODO.md` for future cleaning and organization of service imports.
- Modified `.gitignore` to exclude all files in the `/data/` directory.
- Enhanced `BACKUP.md` with customization options for backup storage paths and updated database path configurations.
- Updated `docker-compose.yml` to reflect new paths for database and backup storage.
- Adjusted `Dockerfile` to create a dedicated backups directory.
- Refactored `BackupService` to utilize environment variables for backup paths, improving flexibility and reliability.
- Deleted `dev.db` as it is no longer needed in the repository.
