lets debug

Update version to 0.1.8 and enhance smoke test documentation

- Bumped the version in `pyproject.toml` to 0.1.8.
- Added detailed instructions for running local smoke tests in `dev-docs/README.md`, including setup for credentials and installation steps.
- Expanded the `smoke_aura_log.py` script to include load testing, async testing, and concurrent logging capabilities, improving test coverage and functionality.