Update card for v0.2 English pull

v0.2: 61 rubric rows (33 in-frame AQA English + 28 pilot), frame-tagged

Move construction file to GitHub: task.md

Move construction file to GitHub: scripts/sources.json

Move construction file to GitHub: scripts/build_corpus.py

Move construction file to GitHub: reports/qc_report.json

Move construction file to GitHub: reports/page_text/ocr_englit_j352-02_ms.txt

Move construction file to GitHub: reports/page_text/cambridge_bio_9700-2_ecr.txt

Move construction file to GitHub: reports/page_text/aqa_soc_7192-3_qp_jun22.txt

Move construction file to GitHub: reports/page_text/aqa_soc_7192-2_ms_jun22.txt

Move construction file to GitHub: reports/page_text/aqa_soc_7192-1_ms_jun22.txt

Move construction file to GitHub: reports/dataset_summary.json

Move construction file to GitHub: corpus/structured/splits.json

Move construction file to GitHub: corpus/structured/questions.jsonl

Move construction file to GitHub: corpus/raw_pdfs/ocr_englit_j352-02_ms.pdf

Move construction file to GitHub: corpus/raw_pdfs/cambridge_bio_9700-2_ecr.pdf

Move construction file to GitHub: corpus/raw_pdfs/aqa_soc_7192-3_qp_jun22.pdf

Move construction file to GitHub: corpus/raw_pdfs/aqa_soc_7192-2_ms_jun22.pdf

Move construction file to GitHub: corpus/raw_pdfs/aqa_soc_7192-1_ms_jun22.pdf

Move construction file to GitHub: corpus/raw/documents.jsonl

Move construction file to GitHub: corpus/provenance/elements.jsonl

Move construction file to GitHub: corpus/components/components.jsonl

Move construction file to GitHub: .gitignore

Dataset card: just the rubrics

Add flat experiment-ready rubric dataset

Remove local settings

Sample build: 5 official docs, 30 questions, 241 provenance elements

initial commit