add: Clean comments for final JCGS submission

CITATION.cff

README.md

docs/source/biblio.bib

docs/source/conf.py

docs/source/index.rst

docs/source/setup.rst

dsgs_environment.yml

dsgs_environment_linux.lock.yml

dsgs_environment_osx.lock.yml

explicit_dsgs_env_linux-64.txt

explicit_dsgs_env_osx-64.txt

img/5.1.13.tiff

img/5.3.01.tiff

img/bank.png

img/bank_color.png

img/barb.png

img/boat.png

img/chessboard.png

img/corral.png

img/cortex.png