Enhanced OCR4Linux with improved error handling, loggin, argument options, and documentation

[moheladwy]

Description

This PR enhances OCR4Linux by improving error handling, adding comprehensive documentation, and implementing proper logging across all components. The changes span the main shell script, setup script, and Python OCR handler.

Changes

OCR4Linux.sh

• Added command-line options (-r, -d, -l, -h) for better control
• Implemented logging system with timestamps
• Improved error handling in screenshot and text extraction
• Added cleanup functionality for temporary files
• Enhanced help message with examples
• Added comprehensive documentation

setup.sh

• Added comprehensive documentation

OCR4Linux.py

• Added comprehensive docstrings

Testing

1. Test on both Wayland and X11 sessions
2. Verify package installation on fresh system
3. Test OCR with various image types
4. Verify clipboard functionality
5. Test error scenarios

Notes

• Requires yay package manager
• Python 3.x required
• Tested on Arch Linux

Dependencies

• tesseract-ocr
• python-opencv
• python-pillow
• python-pytesseract
• grimblast/scrot
• wl-clipboard/xclip
• cliphist (Wayland only)