chore(project): add repository scaffolding and build config

.gitignore

@@ -0,0 +1,61 @@
+# Python bytecode and caches
+__pycache__/
+*.py[cod]
+*$py.class
+.mypy_cache/
+.pyright/
+.ruff_cache/
+.pytest_cache/
+.hypothesis/
+
+# Virtual environments
+.venv/
+venv/
+env/
+.venv*/
+
+# Packaging and build output
+build/
+dist/
+wheels/
+*.egg-info/
+.eggs/
+pip-wheel-metadata/
+
+# Test and coverage artifacts
+.coverage
+.coverage.*
+coverage.xml
+coverage.json
+htmlcov/
+.tox/
+.nox/
+
+# Local configuration and secrets
+.env
+.env.*
+!.env.example
+
+# Logs, runtime files and temporary artifacts
+*.log
+*.pid
+*.sock
+*.swp
+*.swo
+*~
+*.orig
+*.rej
+
+# Nix
+result
+result-*
+.direnv/
+
+# Editors and operating systems
+.idea/
+.vscode/
+.DS_Store
+Thumbs.db
+desktop.ini
+
+# uv.lock is intentionally committed for this application.