20.2. Bizning yagona tarmoqli serverimizni ko'p tarmoqli serverga aylantirish

[orzklv]

Asosiy bo'lim: #40

Production: https://book.rust-lang.uz/ch20-02-multithreaded.html
Manba: https://github.com/rust-lang-uz/i10n/blob/main/rustbook-uz/src/ch20-02-multithreaded.md