feat(web): authenticated home redesign + Telegram OAuth + SMTP

- AppLayout: logged-in desktop home redesigned — score cards, 4 section
  cards (Finance/Governance/Social/Education), governance extras, fixed
  bottom tab bar (Home/Citizen/Referral) matching mobile layout
- AppLayout: Trading dropdown in header (Presale/Staking/MultiSig),
  Logout button; removed 8-button grid
- Removed PalletsGrid and TokenomicsSection components
- Login: Telegram OAuth via oauth.telegram.org popup + postMessage +
  custom Edge Function (hash verification, find-or-create user,
  magic link token exchange)
- Login: X (Twitter) OAuth 2.0 wired to Supabase
- supabase/functions/telegram-auth: new Edge Function — verifies
  Telegram Login Widget hash, issues Supabase magic link token
- vite.config.ts: process-shim alias to fix TDZ with node polyfills
- i18n: updated locales (en/tr/kmr) for new UI sections
- SDK docs search index regenerated

web/src/components/MobileHomeLayout.tsx

@@ -90,7 +90,7 @@ const APP_SECTIONS: AppSection[] = [
       { title: 'mobile.app.events', icon: '📅', route: '/forum', comingSoon: true },
       { title: 'mobile.app.help', icon: '❓', route: '/help' },
       { title: 'mobile.app.music', icon: '🎵', route: '/forum', comingSoon: true },
-      { title: 'mobile.app.vpn', icon: '🛡️', route: '/forum', comingSoon: true },
+      { title: 'mobile.app.rewshenbir', icon: '📡', imgIcon: '/rewshenbir-icon.png', route: '/rewshenbir', href: 'https://rewshenbir.pezkuwi.app' },
       { title: 'mobile.app.referral', icon: '👥', route: '/dashboard', requiresAuth: true },
     ],
   },