make_paper_figures.py: docstring wording

Remove __pycache__ build artifacts

README: list data/ and repair_pipeline_package/, with usage

Add data/: per-task results and the scripts that make the result figures and tables

Add prose-repair pipeline implementation (10 stages, DMNR masking, typed repair, 6-tool quality ensemble)

Initial release: anonymized evaluation analysis scripts for Repair-First paper

initial commit