Add configuration file and update server settings

- Introduced a new `config.yaml` file for managing server, database, cache, queue, AI, scraping, logging, and rate limiting configurations.
- Updated `docker-compose.yml` to reflect the new server port (8081) and adjusted health check endpoints accordingly.
- Modified `Dockerfile` to expose the new server port.
- Updated `README.md` to reflect changes in server configuration and added documentation for the new configuration structure.
- Added test scripts for server and Swagger documentation testing.
- Refactored customer domain structure to align with new configuration settings and improve maintainability.

test_swagger.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+
+# Test Swagger Documentation Script
+
+echo "🚀 Starting Tender Management API Server with Swagger Documentation..."
+echo ""
+
+# Build the application
+echo "📦 Building application..."
+make build
+
+if [ $? -ne 0 ]; then
+    echo "❌ Build failed!"
+    exit 1
+fi
+
+echo ""
+echo "✅ Build successful!"
+echo ""
+
+# Start the server in background
+echo "🌐 Starting server..."
+./bin/web &
+SERVER_PID=$!
+
+# Wait for server to start
+echo "⏳ Waiting for server to start..."
+sleep 3
+
+# Check if server is running
+if curl -s http://localhost:8081/health > /dev/null; then
+    echo "✅ Server is running!"
+    echo ""
+    echo "📚 Swagger Documentation is available at:"
+    echo "   🌐 http://localhost:8081/swagger/index.html"
+    echo ""
+    echo "🔍 Health Check endpoint:"
+    echo "   🌐 http://localhost:8081/health"
+    echo ""
+    echo "📋 Available API endpoints:"
+    echo "   🔐 Authentication:"
+    echo "      POST /api/customers/login"
+    echo "      POST /api/customers/refresh-token"
+    echo "   👤 Customer Profile:"
+    echo "      GET  /api/customers/profile"
+    echo "      PUT  /api/customers/profile"
+    echo "      PUT  /api/customers/change-password"
+    echo "   📱 Device Management:"
+    echo "      POST /api/customers/device-token"
+    echo "      DELETE /api/customers/device-token"
+    echo "   👥 Admin Operations:"
+    echo "      POST /api/admin/customers/register"
+    echo "      GET  /api/admin/customers"
+    echo "      GET  /api/admin/customers/{id}"
+    echo "      PUT  /api/admin/customers/{id}/status"
+    echo ""
+    echo "🛑 To stop the server, press Ctrl+C or run: kill $SERVER_PID"
+    echo ""
+    
+    # Keep the script running
+    wait $SERVER_PID
+else
+    echo "❌ Server failed to start!"
+    kill $SERVER_PID 2>/dev/null
+    exit 1
+fi