fix: use Cloudflare Worker relay for Telegram, fix phone format

- contact.php: route Telegram API via tg-relay.it-resheniya-2018.workers.dev
- translations: fix phone format (909) 945-44-56 -> +7 909 945-44-56

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/translations/en.js

@@ -43,7 +43,7 @@ export const en = {
   contact: {
     title: 'Contact Us',
     subtitle: 'Tell us about your challenge — we will propose a solution',
-    phones: ['+7 495 363-74-76', '+7 495 363-73-35', '(909) 945-44-56'],
+    phones: ['+7 495 363-74-76', '+7 495 363-73-35', '+7 909 945-44-56'],
     phone: 'Phone',
     email: 'Email',
     address: 'Address',

src/translations/ru.js

@@ -43,7 +43,7 @@ export const ru = {
   contact: {
     title: 'Свяжитесь с нами',
     subtitle: 'Расскажите о задаче — предложим решение',
-    phones: ['+7 495 363-74-76', '+7 495 363-73-35', '(909) 945-44-56'],
+    phones: ['+7 495 363-74-76', '+7 495 363-73-35', '+7 909 945-44-56'],
     phone: 'Телефон',
     email: 'Email',
     address: 'Адрес',