Odc-stac

Changed

- Removed `odc.index.` module

Added

- This CHANGELOG
- `requirements-dev.txt`
- Documentation
- Upload built conda environment as an artifact
- Notebook rendering to Github actions, including hash-based artifact checks
- Initial benchmarking tooling, still in progress

Changed

- Moved publishing steps into separate workflows
- Deprecated imports from `odc.index.*`
- Removed `.units` attribute from `.time` axis for better inter-op with `.to_zarr`, `.to_netcdf`

Fixed

- Handling of STAC Items with only partial `proj` data
- Typos in documentation

Added

- Binder launcher to README
- Another USGS STAC example for Landsat SR
- Documentation

Changed

- Cleaned up test fixtures
- Relaxed `is_raster_data` check
- Force data band decision for explicitly configured bands
- Moved constansts in to global scope

Initial release as a standalone project.
Previously, this project was part of https://github.com/opendatacube/odc-tools.