Jetnet

New/updated utility functions. (Edit: re-released due to issues with CD.)

What's Changed
* Coordinate transformations by zichunhao in https://github.com/jet-net/JetNet/pull/23
* Temporary fix for CI by rkansal47 in https://github.com/jet-net/JetNet/pull/24
* batch (3d array) support for `to_image` by jmduarte in https://github.com/jet-net/JetNet/pull/25

New Contributors
* zichunhao made their first contribution in https://github.com/jet-net/JetNet/pull/23
* jmduarte made their first contribution in https://github.com/jet-net/JetNet/pull/25

**Full Changelog**: https://github.com/jet-net/JetNet/compare/v0.2.1.post2...v0.2.2

Fixes normalisation bug 21

Minor bug fixes.

- Added QuarkGluon dataset

- Datasets refactored
- Base JetDataset class
- Normalise, transform options
- Direct numpy array option
- Jet features
- repr
- Top tagging dataset
- Tests
- Tutorials

- Added support for `w` and `z` classes in the JetNet dataset