v0.0.2: initial pre-alpha version

Initial release, it's a pre-alpha version to walk through the PyPI flow.

What's Changed

• init version, generally work by @wey-gu in #2
• docs: update readme by @wey-gu in #3

New Contributors

• @wey-gu made their first contribution in #2

Full Changelog: https://github.com/wey-gu/nebulagraph-lite/commits/v0.0.2