docs: Updated authors and maintainers in setup.py & README

[fg-mindee]

This PR introduces the following modifications:

• updates the authors of the BibTeX citation
• updates the description of setup.py
• updates authors in setup.py
• adds maintainers in setup.py

cc @jonathanMindee

[codecov]

Codecov Report

Merging #444 (f68f24b) into main (3504716) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #444      +/-   ##
==========================================
+ Coverage   95.82%   95.85%   +0.02%     
==========================================
  Files          96       96              
  Lines        3952     3952              
==========================================
+ Hits         3787     3788       +1     
+ Misses        165      164       -1     

Flag	Coverage Δ
unittests	95.85% <ø> (+0.02%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...dels/detection/differentiable_binarization/base.py	91.97% <0.00%> (+0.61%)	⬆️

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[charlesmindee]

Thanks