Revert "Initial commit"

This reverts commit 16b97013179252bc54fb7a7c0a7819b7b9969de5.
Revert "Revert "Initial commit""

This reverts commit 5dfec2eaae2e952c8bac8daa69536999ed23fa85.
Merge branch 'master' of https://github.com/Zahorovskiy/ForStudy