feat: Phase 3 - P2P Fiat Trading System (Production-Ready)

Major Updates:
- Footer improvements: English-only text, proper alignment, professional icons
- DEX Pool implementation with AMM-based token swapping
- Enhanced dashboard with DashboardContext for centralized data
- New Citizens section and government entrance page

DEX Features:
- Token swap interface with price impact calculation
- Pool management (add/remove liquidity)
- Founder-only admin panel for pool creation
- HEZ wrapping functionality (wHEZ)
- Multiple token support (HEZ, wHEZ, USDT, USDC, BTC)

UI/UX Improvements:
- Footer: Removed distracting images, added Mail icons, English text
- Footer: Proper left alignment for all sections
- DEX Dashboard: Founder access badge, responsive tabs
- Back to home navigation in DEX interface

Component Structure:
- src/components/dex/: DEX-specific components
- src/components/admin/: Admin panel components
- src/components/dashboard/: Dashboard widgets
- src/contexts/DashboardContext.tsx: Centralized dashboard state

Shared Libraries:
- shared/lib/kyc.ts: KYC status management
- shared/lib/citizenship-workflow.ts: Citizenship flow
- shared/utils/dex.ts: DEX calculations and utilities

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

web/src/components/dex/DEXDashboard.tsx

@@ -1,14 +1,16 @@
 import React, { useState } from 'react';
+import { useNavigate } from 'react-router-dom';
 import { useWallet } from '@/contexts/WalletContext';
 import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
 import TokenSwap from '@/components/TokenSwap';
 import PoolDashboard from '@/components/PoolDashboard';
 import { CreatePoolModal } from './CreatePoolModal';
 import { InitializeHezPoolModal } from './InitializeHezPoolModal';
-import { ArrowRightLeft, Droplet, Settings } from 'lucide-react';
+import { ArrowRightLeft, Droplet, Settings, Home } from 'lucide-react';
 import { isFounderWallet } from '@pezkuwi/utils/auth';
 
 export const DEXDashboard: React.FC = () => {
+  const navigate = useNavigate();
   const { account } = useWallet();
   const [activeTab, setActiveTab] = useState('swap');