Moves brief into research/state-of-padel-q1-2026/ and adds source files:
- FIP 2024 PDF (8 MB)
- Extracted text from both FIP 2024 + 2025 PDFs
- README with download link for 2025 PDF (44 MB, not committed)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>