Add project skeleton: CLI pipeline for CD digitization

Modular Python package with Typer CLI (scan/apply/process commands),
Pydantic data models, OCR via Tesseract, LLM-based tracklist parsing,
mutagen audio tagging, M3U playlist generation, and cover processing.
Includes 8 passing tests and ruff lint config.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

pyproject.toml

@@ -0,0 +1,36 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "musiksammlung"
+version = "0.1.0"
+description = "CLI-Tool zum Digitalisieren von CD-Sammlungen für Jellyfin"
+requires-python = ">=3.11"
+dependencies = [
+    "typer>=0.12",
+    "pydantic>=2.0",
+    "mutagen>=1.47",
+    "Pillow>=10.0",
+    "httpx>=0.27",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=8.0",
+    "pytest-cov",
+    "ruff",
+]
+
+[project.scripts]
+musiksammlung = "musiksammlung.cli:app"
+
+[tool.ruff]
+line-length = 100
+target-version = "py311"
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "W"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]