feat: set up Schubert An die Musik D547 workspace for VSlavik1
Two projects covering the high and low key IMSLP scan variants:
- Schubert-AnDieMusik-D547-hoch (Peters, high key)
- Schubert-AnDieMusik-D547-tief (Lieder Bd2, low key)
Each project contains:
- 1_parsing/input/: through-composed MusicXML (46 measures, 2 lyric lines)
- 2_ocr/input/: 2 PNG scan pages converted from IMSLP PDF at 200 DPI
- 3a_svg/input/: empty, ready for OCR-aligned JSON
access_control.json: VSlavik1 granted write access to both projects
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