feat: Gruppe 1 – Projektgerüst, Auth, CLI (v0.1.0)

- pyproject.toml: hatchling build, mcp-familywall entry-point, deps
- src/mcp_familywall/__init__.py: version 0.1.0
- src/mcp_familywall/config.py: YAML config loader (schema_version: 1)
- src/mcp_familywall/auth.py: keyring credential resolution (FW_EMAIL/FW_PASSWORD → keyring)
- src/mcp_familywall/fw_client.py: httpx client, login/logout/call, FW_DEBUG logging
- src/mcp_familywall/cli.py: click CLI with setup / check / serve commands
- .gitignore, README.md, CLAUDE.md, SPEC.md

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

.gitignore

@@ -0,0 +1,43 @@
+# Python
+__pycache__/
+*.py[cod]
+*.pyo
+*.pyd
+
+# Virtual environments
+.venv/
+venv/
+env/
+
+# Build artifacts
+dist/
+build/
+*.egg-info/
+
+# Environment files (may contain secrets)
+.env
+.env.*
+
+# Test / coverage
+.pytest_cache/
+.coverage
+coverage.xml
+htmlcov/
+
+# Type checker
+.mypy_cache/
+
+# Ruff
+.ruff_cache/
+
+# Editors
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# macOS
+.DS_Store
+
+# uv
+uv.lock