migration to vitest

added .gitattributes

added .gitattributes

renamed script

improved installation script

added .service file for autorun on linux

update: contest-token.txt

fixed naming

added tags

changed run condition

added test yaml

added some base classes; added test; changed config; added helper for cookies

Запрос на слияние 'resolve-todo' (#2) из resolve-todo в master

resolved todo; improved goto() method in BasePage; other refactoring