v1.0.0-stable

1. Implemented theme persistence across the entire app.
2. Transitioned from Providers to bloc state management.
3. Enhanced unit and widget testing after bloc implementation.
4. Implemented multiple language support (20+ languages).
5. Introduced customizable user interface options under settings.
6. Integrated power management features under settings.
7. Enhanced notification support.
8. Implemented sorting options by Added Date, File Size, Percent Download, etc., on the home screen.
9. Updated app codebase to the latest Flutter version (3.13.1).
10. Restructured file architecture and enhanced code readability.
11. Addressed minor issues and apply other fixes.