Add sample data: 5 questions with images across 5 scientific disciplines

Fix false-positive edit in metadata.json - restore original text

Fix false-positive edit in README.md - restore original text

Clean sensitive content from metadata.json

Clean sensitive content from README.md

Add metadata for SFE (Scientists First Exam) Multimodal Science Benchmark

Add dataset card for SFE (Scientists First Exam) Multimodal Science Benchmark

initial commit