Programmer Yii2

Make a copy site snta.ru admin on the Framework Yii2

Requirements:
1. The presence of admin. panels to add/edit/delete entries.
2. Having an adaptive version
3. Yii2 development environment (clean pattern) to date is no lower than 2.0.39 (November 10, 2020), MySL BD >5.6, PHP >7.2
4. Clear code, lack of "crutches," working out user errors, comments on key moments
5. Unloading the project with a base in any form (archive, file exchange, repository, etc.)
6. Your examples of work and part of the code to evaluate the style