Summary: Added "Оплата ЖКУ" service.

Why It Matters: This adds a new way for customers to pay bills.

What Changed:

• Added a link for "Оплата ЖКУ" (utility payments) under "Может быть полезно" (May be useful) in the "Сервисы" (Services) section.
• Updated the time for currency rates from "09:30 МСК 21.08.2025" to "18:00 МСК 22.08.2025".
• Updated USD sell rate from 74.80 to 75.10.
• Updated USD buy rate from 92.00 to 92.50.
• Updated EUR buy rate from 105.40 to 106.40.