- Added backup management functionality to `AdvancedSettingsPageClient`, including creating and verifying backups.
- Updated `package.json` with new backup-related scripts.
- Improved UI to display backup status and next scheduled backup time.
- Updated `.gitignore` to exclude backup files.
- Enhanced server-side data fetching to include backup data and database statistics.
- Marked multiple tasks as completed in TODO.md related to tag management features.
- Replaced manual tag input with `TagInput` component in `CreateTaskForm`, `EditTaskForm`, and `QuickAddTask` for better UX.
- Updated `TaskCard` to display tags using `TagDisplay` with color support.
- Enhanced `TasksService` to manage task-tag relationships with CRUD operations.
- Integrated tag management into the global context for better accessibility across components.
- Updated TODO.md to reflect the new project structure and phases, marking several tasks as completed.
- Enhanced Kanban components with a tech-inspired design, including new styles for columns and task cards.
- Removed the obsolete reminders service and task processor, streamlining the codebase for better maintainability.
- Introduced a modern API for task management, including CRUD operations and improved error handling.
- Updated global styles for a cohesive dark theme and added custom scrollbar styles.
