- Created `install_and_run.bat` for Windows installation and setup.
- Created `install_and_run.sh` for Unix-based systems installation and setup.
- Removed `main.py` as it is no longer needed.
- Updated `requirements.txt` to specify package versions and added PyQt5.
- Deleted `start.bat` as it is redundant.
- Added unit tests for core functionality and scraping modes.
- Implemented input validation utilities in `utils/validators.py`.
- Added support for dual scraping modes in the scraper.
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