Add an easy-to-install gfootball environment, SMAC and SMACv2 with pettingzoo apis in third_party_envs

[xihuai18]

Add introduction of https://github.com/xihuai18/gfootball-gymnasium-pettingzoo and https://github.com/xihuai18/SMAC-PettingZoo.

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

This PR includes the introduction of two environment wrappers using the PettingZoo APIs.

• Google Research Football
• SMAC and SMACv2

These environments are some of the most used cooperative marl benchmarks.

Fixes #1215

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)
• This change requires a documentation update

Checklist:

• I have run the pre-commit checks with pre-commit run --all-files (see CONTRIBUTING.md instructions to set it up)
• I have run pytest -v and no errors are present.
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I solved any possible warnings that pytest -v has generated that are related to my code to the best of my knowledge.
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes