Тз здесь:
https://docs.google.com/document/d/1OKWuzw6fFKykvlxZGdXg3sb4XAGkCUXH4aAhtFL9-sQ/edit
https://docs.google.com/document/d/1QN4V4z29Tj7yhwYgXIRC-YhGZSnz3JyInlUGjVCHFl8/edit
Работаем поэтапно