Reorganize project structure

.gitignore

@@ -0,0 +1,35 @@
+# Python bytecode
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Virtual environments
+venv/
+.venv/
+env/
+ENV/
+
+# Environment variables
+.env
+.env.*
+
+# Test / coverage / cache
+.pytest_cache/
+.mypy_cache/
+.ruff_cache/
+.coverage
+.coverage.*
+htmlcov/
+
+# Build artifacts
+build/
+dist/
+*.egg-info/
+
+# IDE / editor
+.vscode/
+.idea/
+
+# OS files
+.DS_Store
+Thumbs.db