Mrvi

:warning: Deprecation Warning

- The MrVI implementation has been moved to `scvi-tools` (`from scvi.external import MRVI`),
and this package will no longer be maintained.

Added

- Adds deprecation warning in the form of a FutureWarning on import.
- Various fixes and UX improvements to the model kwargs, DE, and DA functions.

:warning: Breaking Changes

- This release is a major rework of the mrvi model and is generally incompatible with
the previous v0.x.x releases.

Added

- New attention-based encoder/decoder components.
- Model-based multivariate differential expression procedure at single-cell resolution.
- Model-based differential abundance procedure at single-cell resolution.
- Mismatched latent dimension sizes.
- Optional mixture of gaussians prior. Can also make use of cell-type labels.
- JAX implementation.