Update README installation instructions, add PyPI badge / docs link (#30)

Author: ryan-williams

README.md

@@ -1,28 +1,28 @@
 # TileDB-SOMA-ML
-
 A Python package containing ML tools for use with [TileDB-SOMA].
 
+[![tiledbsoma-ml package on PyPI](https://img.shields.io/pypi/v/tiledbsoma-ml?label=tiledbsoma-ml)][pypi]
+
+
+Docs: [single-cell-data.github.io/TileDB-SOMA-ML].
+
 **NOTE:** this is a _pre-release_ package, and may be subject to breaking API changes prior to first release.
 
 ## Description
 
-The package contains a prototype PyTorch [`IterableDataset`] for use with the
-[`torch.utils.data.DataLoader`]
-API. For a general introduction to PyTorch data loading,
-[see this tutorial][torch data tutorial].
-Additional information on the DataLoader/Dataset pattern
-[can be found here][`torch.data`].
+The package contains a prototype PyTorch [`IterableDataset`], [`ExperimentDataset`], for use with the [`torch.utils.data.DataLoader`] API.
 
-Defects and feature requests should be filed as a GitHub issue in this repo. Please include a reproducible test case in all bug reports.
+[notebooks/](notebooks) contains tutorials and examples that use this repo to train toy models. For a general introduction to PyTorch data loading, [see this tutorial][torch data tutorial]. Additional information on the DataLoader/Dataset pattern [can be found here][`torch.data`].
+
+Defects and feature requests should be filed as [a GitHub issue][/issues] in this repo. Please include a reproducible test case in all bug reports.
 
 ## Getting Started
 
 ### Installing
 
-Prior to the first release, installation is most easily accomplished by installing directly from GitHub:
-
+Install [from PyPI][pypi]:
 ```bash
-pip install git+https://github.com/single-cell-data/TileDB-SOMA-ML
+pip install tiledbsoma-ml
 ```
 
 Developers may install editable, from source, in the usual manner -- clone the repo and execute:
@@ -33,8 +33,7 @@ pip install -e .
 
 ### Documentation
 
-Documentation is pending. Preliminary documentation can be found at [single-cell-data.github.io/TileDB-SOMA-ML], and in
-the [notebooks] directory.
+Documentation can be found at [single-cell-data.github.io/TileDB-SOMA-ML], and in the [notebooks] directory.
 
 ## Builds
 
@@ -54,14 +53,18 @@ This project is licensed under the MIT License.
 
 ## Acknowledgements
 
-The SOMA team is grateful to the Chan Zuckerberg Initiative Foundation [CELLxGENE Census](https://cellxgene.cziscience.com)
-team for their initial contribution.
+The SOMA team is grateful to the Chan Zuckerberg Initiative Foundation [CELLxGENE Census](https://cellxgene.cziscience.com) team for their initial contribution.
 
 [TileDB-SOMA]: https://github.com/single-cell-data/TileDB-SOMA
 [`IterableDataset`]: https://pytorch.org/docs/stable/data.html#torch.utils.data.IterableDataset
+[`ExperimentDataset`]: src/tiledbsoma_ml/dataset.py
 [`torch.utils.data.DataLoader`]: https://pytorch.org/docs/stable/data.html#torch.utils.data.DataLoader
+[/issues]: https://github.com/single-cell-data/TileDB-SOMA-ML/issues/new
+[pypi]: https://pypi.org/project/tiledbsoma-ml/
 [torch data tutorial]: https://pytorch.org/tutorials/beginner/data_loading_tutorial.html
 [`torch.data`]: https://pytorch.org/docs/stable/data.html
 [single-cell-data.github.io/TileDB-SOMA-ML]: https://single-cell-data.github.io/TileDB-SOMA-ML/
 [notebooks]: notebooks
 [CHANGELOG.md]: CHANGELOG.md
+[www]: https://single-cell-data.github.io/TileDB-SOMA-ML/
+[single-cell-data.github.io/TileDB-SOMA-ML]: https://single-cell-data.github.io/TileDB-SOMA-ML/