Merge branch 'dev' into 142-restructure-reinforcement-learning-files-2

CHANGELOG.md

cooperative_cuisine/configs/dummy_environment_config.yaml

...ive_cuisine/configs/environment_config_no_validation.yaml

...configs/layouts/zztest_layouts/screenshot_tutorial.layout

cooperative_cuisine/player.py

cooperative_cuisine/pygame_2d_vis/drawing.py

...rative_cuisine/pygame_2d_vis/generate_layout_thumbnail.py

cooperative_cuisine/pygame_2d_vis/gui.py

cooperative_cuisine/pygame_2d_vis/gui_theme.json

...rative_cuisine/pygame_2d_vis/locales/translations.de.json

...rative_cuisine/pygame_2d_vis/locales/translations.en.json

docs/README.md

docs/sequence-diagrams/seqdia- client-study-game.png

docs/sequence-diagrams/seqdia- client-study-game.svg

docs/sequence-diagrams/seqdia- client-study-game.txt

docs/sequence-diagrams/seqdia-env-classes.png

docs/sequence-diagrams/seqdia-env-classes.svg

docs/sequence-diagrams/seqdia-env-classes.txt