Add to_searchable_pdf: overlay invisible OCR text layer onto image-based PDFs#29

SWHL with Copilot wants to merge 2 commits into

mainRapidAI/RapidOCRPDF:mainfrom

copilot/research-pdf-annotation-pythonRapidAI/RapidOCRPDF:copilot/research-pdf-annotation-pythonCopy head branch name to clipboard