- Added command-line interface using Click for `batch_extractor.py` to handle extraction from ZIP and PDF files.
- Enhanced `save_to_excel` function to create parent directories for output files.
- Updated `build_pdf.py` to include a CLI for generating PDF labels from Excel data.
- Improved README.md with detailed usage instructions for the new CLI commands.
- Added `click` to requirements.txt for command-line functionality.
- Added extract_barcodes_from_pdf function to read barcodes from PDF files using fitz.
- Updated read_datamatrix_zxing to return both the barcode text and its Base64 representation.
- Modified main execution block to include PDF barcode extraction.
- Improved image loading for better compatibility with zxing.
- Updated requirements.txt to include pymupdf for PDF processing.
