Запрос на слияние 'work' (#1) из work в master

update README.md

lolkek

lolkek

update README.md

delete demo/test_api.py

delete demo/implementation_notes.md

update README.md

upload files

upload files

update demo/test_api.py

upload files

delete demo/test

create demo/test

update dev/solution.py

update dev/restaurants.csv

update dev/api.py

реализация

update README.md