chore: release 0.1.2

[pradelgorithm]

Summary

• Bump package metadata and runtime version to 0.1.2 so PyPI republishes with the dedicated PYPI.md long description.

Testing

• .venv/bin/python -m build --outdir /tmp/openaura-dist-0.1.2
• .venv/bin/python -m twine check /tmp/openaura-dist-0.1.2/*
• .venv/bin/python -m ruff check openaura/init.py
• .venv/bin/python -m ruff format --check openaura/init.py

Assisted-by: Codex:gpt-5.4

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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