Apply Composer changes: comprehensive API updates, migrations, middleware, and infrastructure improvements

- Add comprehensive database migrations (001-024) for schema evolution
- Enhance API schema with expanded type definitions and resolvers
- Add new middleware: audit logging, rate limiting, MFA enforcement, security, tenant auth
- Implement new services: AI optimization, billing, blockchain, compliance, marketplace
- Add adapter layer for cloud integrations (Cloudflare, Kubernetes, Proxmox, storage)
- Update Crossplane provider with enhanced VM management capabilities
- Add comprehensive test suite for API endpoints and services
- Update frontend components with improved GraphQL subscriptions and real-time updates
- Enhance security configurations and headers (CSP, CORS, etc.)
- Update documentation and configuration files
- Add new CI/CD workflows and validation scripts
- Implement design system improvements and UI enhancements

blockchain/docker-compose.yml

@@ -0,0 +1,35 @@
+version: '3.8'
+
+services:
+  besu:
+    image: hyperledger/besu:latest
+    container_name: sankofa-besu-node
+    ports:
+      - "8545:8545"  # JSON-RPC
+      - "8546:8546"  # WebSocket
+      - "30303:30303"  # P2P
+    volumes:
+      - besu-data:/var/lib/besu
+      - ./network-config:/config
+    command:
+      - --data-path=/var/lib/besu
+      - --network-id=2024
+      - --rpc-http-enabled=true
+      - --rpc-http-host=0.0.0.0
+      - --rpc-http-port=8545
+      - --rpc-http-api=ETH,NET,WEB3,ADMIN
+      - --rpc-ws-enabled=true
+      - --rpc-ws-host=0.0.0.0
+      - --rpc-ws-port=8546
+      - --p2p-port=30303
+      - --genesis-file=/config/genesis.json
+      - --logging=INFO
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8545"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+volumes:
+  besu-data:
+