Merged human_aware_rl into overcooked_ai

[jyan1999]

Description

Merged human_aware_rl into overcooked_ai

It might be a good idea to publish this version on PyPi and try to install it that way. Currently installing by cloning the repo and doing pip install .[human_aware_rl] works as expected locally. Per the official doc this is basically what the actual install would look like, but there was a problem installing it during github workflow so it might be worthwhile to test it out. Cloning the repo and doing pip install -e will definitely work. Fixes #

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [x] This change requires a documentation update

Checklist:

• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works

[codecov[bot]]

Codecov Report

Merging #99 (e821180) into master (df2fc6c) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #99   +/-   ##
=======================================
  Coverage   82.09%   82.09%           
=======================================
  Files          14       14           
  Lines        3575     3575           
=======================================
  Hits         2935     2935           
  Misses        640      640           

Impacted Files	Coverage Δ
overcooked_ai_py/mdp/overcooked_mdp.py	91.86% <0.00%> (ø)

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