langmm/canopy_factory: Initial PyPI Release

What's Changed Arguments by @langmm in https://github.com/langmm/canopy_factory/pull/3 Improvements to testing by @langmm in https://github.com/langmm/canopy_factory/pull/4 Packaging by @langmm in https://github.com/langmm/canopy_factory/pull/5 Summary of major features Coverage & LAI calculations for simulated canopies Virtual canopies for more efficient ray tracigin Package maintenance including GHA workflows for publishing docs & Python wheels to PyPI Fix to rounding errors in image resolution calculation Updates for use with initial release of hothouse Updates for use of latest openalea.lpy Full Changelog: https://github.com/langmm/canopy_factory/compare/v0.1.0...v0.2.0