(v3.6.1) pip install fix with pyproject.toml

[AlejandroCN7]

Description

Poetry and pyproject.toml are compatible with pip usage. However, a definition error previously prevented the installation of extras containing essential utilities for running experiments, should users wish to use them.

This update ensures that development libraries are installed natively when running poetry install. Nevertheless, some of them are marked as optional in the main dependencies so they can be used through extras.

For more information on how container and workflow installations have been updated, the documentation in the installation section has been revised with much greater detail.

The list of extras is now separate from the development dependency groups, so the pip-installable extras are limited to DRL utilities and for running tests.

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Documentation (update in the documentation)
• [ ] Improvement (of an existing feature)
• [ ] Others

Checklist:

• [x] I've read the CONTRIBUTION guide (required)
• [x] My change requires a change to the documentation.
• [ ] I have updated the tests.
• [x] I have updated the documentation accordingly.
• [ ] I have reformatted the code using autopep8 second level aggressive.
• [ ] I have reformatted the code using isort.
• [ ] I have ensured cd docs && make spelling && make html pass (required if documentation has been updated.)
• [ ] I have ensured pytest tests/ -vv pass. (required).
• [ ] I have ensured pytype -d import-error sinergym/ pass. (required)

Changelog:

• pyproject.toml fix: pip works with extras.
• Dockerfile: Dockerfile for experiment and develop fix for new poetry definition.
• pyproject.toml include test dependencies as extras for pip.
• Documentation fixed with the new form of installation.
• Workflows: Poetry installation fixes.