initial project setup

.gitignore

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+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+# Python lib directories (not frontend/src/lib)
+/lib/
+/lib64/
+backend/lib/
+backend/lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Virtual environments
+.venv/
+venv/
+ENV/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# Testing
+.coverage
+htmlcov/
+.pytest_cache/
+.mypy_cache/
+
+# Environment
+.env
+.env.local
+.env.*.local
+
+# Node.js
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Next.js
+frontend/.next/
+frontend/out/
+
+# Build outputs
+*.log
+.DS_Store
+Thumbs.db
+
+# Docker
+.docker/
+
+# Database
+*.db
+*.sqlite3
+
+# Build artifacts
+frontend/coverage/
+frontend/tsconfig.tsbuildinfo
+
+# Local development
+notes/
+scripts/