Major Features and Improvements

• ModelCardArtifact, a TFX/MLMD artifact which references the assets generated by MCT. This can be created with model_card_toolkit.tfx.create_and_save_artifact().
• tfx.executor.Executor, which can be used as the core MCT logic for a TFX custom component.
• tfx.component.ModelCardGenerator, a component that can be used to generate Model Cards directly in a TFX pipeline.

Bug fixes and other changes

• ModelCard.merge_from_json(), allowing ModelCards to be populated with JSON without overwriting all pre-existing fields.
• Minor styling change to table CSS in default HTML template
• Minor update to CSS linting in default HTML template

Breaking changes and Deprecations

• source classes now uses tfx.types.Artifact instead of standard_artifacts.