Panda-gym

What's Changed
* Implemented methods to save and restore PyBullet states. by louixp in https://github.com/qgallouedec/panda-gym/pull/33

New Contributors
* louixp made their first contribution in https://github.com/qgallouedec/panda-gym/pull/33

**Full Changelog**: https://github.com/qgallouedec/panda-gym/compare/v2.0.3...v2.0.4

Changes:

- Fix `gym>=0.22` dependency

Many breaking changes:

- Changing dynamics (friction coefficient, among other things)
- Make code structure cleaner
- Add a task (flipping)
- Panda joint control
- readthedocs documentation

- Improve rendering
- Fix closing env issue

- `panda-gym` can now handle multiple physics clients.
- correct implementation of a random seed for reproducibility.