refactor: consolidate blockchain explorer into single app and update backup ignore patterns

- Remove standalone explorer-web app (README, HTML, package files)
- Add /web endpoint to blockchain-explorer for web interface access
- Update .gitignore to exclude application backup archives (*.tar.gz, *.zip)
- Add backup documentation files to .gitignore (BACKUP_INDEX.md, README.md)
- Consolidate explorer functionality into main blockchain-explorer application

apps/exchange/deploy_simple.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+
+# Deploy Simple Real AITBC Trade Exchange
+echo "🚀 Deploying Simple Real AITBC Trade Exchange..."
+
+# Kill existing services
+echo "🔄 Stopping existing services..."
+pkill -f "server.py --port 3002" || true
+pkill -f "exchange_api.py" || true
+pkill -f "simple_exchange_api.py" || true
+
+# Start the Simple Exchange API server
+echo "🔥 Starting Simple Exchange API server on port 3003..."
+nohup python3 simple_exchange_api.py > simple_exchange_api.log 2>&1 &
+sleep 2
+
+# Replace the frontend with real trading version
+echo "🌐 Updating frontend to use real trading..."
+cp index.real.html index.html
+
+# Start the frontend
+echo "🌐 Starting Exchange frontend..."
+nohup python3 server.py --port 3002 > exchange_frontend.log 2>&1 &
+sleep 2
+
+# Check if services are running
+echo "✅ Checking services..."
+if pgrep -f "simple_exchange_api.py" > /dev/null; then
+    echo "✓ Simple Exchange API is running on port 3003"
+else
+    echo "✗ Simple Exchange API failed to start"
+    echo "  Check log: tail -f simple_exchange_api.log"
+fi
+
+if pgrep -f "server.py --port 3002" > /dev/null; then
+    echo "✓ Exchange frontend is running on port 3002"
+else
+    echo "✗ Exchange frontend failed to start"
+fi
+
+echo ""
+echo "🎉 Simple Real Exchange Deployment Complete!"
+echo ""
+echo "📍 Access the exchange at:"
+echo "   https://aitbc.bubuit.net/Exchange"
+echo ""
+echo "📊 The exchange now shows REAL trades from the database!"
+echo "   - Recent trades are loaded from the database"
+echo "   - Order book shows live orders"
+echo "   - You can place real buy/sell orders"
+echo ""
+echo "📝 Logs:"
+echo "   API: tail -f simple_exchange_api.log"
+echo "   Frontend: tail -f exchange_frontend.log"