add .gitignore

.gitignore

@@ -0,0 +1,33 @@
+# Python
+__pycache__/
+*.py[cod]
+*.egg-info/
+dist/
+build/
+
+# Virtual environment
+.venv/
+venv/
+env/
+
+# Environment variables
+.env
+
+# IDE
+.vscode/
+.idea/
+
+# Testing / coverage
+.pytest_cache/
+htmlcov/
+.coverage
+
+# Docker
+*.log
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Claude Code
+.claude/