add gitignore file

.gitignore

@@ -0,0 +1,34 @@
+# Python cache
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+
+# Test coverage
+coverage/
+.coverage
+htmlcov/
+
+# IDE files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# Logs
+*.log
+
+# Documentation that's development-only
+*_SUMMARY.md
+*_VERIFICATION.md
+*_README.md
+*_GUIDE.md
+*_NOTES.md
+*_EXAMPLE.md
+CHECKPOINT_*.md
+TASK_*.md