Update donation address format in README.md

Removed backticks from the donation address in English and Russian sections.

Author: Agentry433

README.md

@@ -198,7 +198,7 @@ We accept donations via **TON Network** (Toncoin / USDT).
        
        | Network | Currency | Address |
       |---------|----------|---------|
-      | 🔷 TON | Toncoin / USDT | `UQD-RzivaF2yxBF81Zzf44WE84Y3pS24QL751Z5nYC3PosRJ` |
+      | 🔷 TON | Toncoin / USDT | UQD-RzivaF2yxBF81Zzf44WE84Y3pS24QL751Z5nYC3PosRJ |
       
       **How to donate:**
       1. Open your TON wallet (Tonkeeper, Telegram Wallet, etc.)
@@ -227,7 +227,7 @@ We accept donations via **TON Network** (Toncoin / USDT).
        
        | Сеть | Валюта | Адрес |
       |------|--------|-------|
-      | 🔷 TON | Toncoin / USDT | `UQD-RzivaF2yxBF81Zzf44WE84Y3pS24QL751Z5nYC3PosRJ` |
+      | 🔷 TON | Toncoin / USDT | UQD-RzivaF2yxBF81Zzf44WE84Y3pS24QL751Z5nYC3PosRJ |
       
       **Как поддержать:**
       1. Откройте ваш TON-кошелёк (Tonkeeper, Telegram Wallet и т.д.)