Practice issue for @Elisa-tea to add CODEOWNERS.

[frankcholula]

See CODEOWNERS here:
https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners

and modify the MIT license to include @ArtemKar123 and @Elisa-tea 's names 👍

[Elisa-tea]

updated ✅

[frankcholula]

@Elisa-tea next time make a new branch and a PR as a rule of thumb.