Add Oracle Aggregator and CCIP Integration

- Introduced Aggregator.sol for Chainlink-compatible oracle functionality, including round-based updates and access control.
- Added OracleWithCCIP.sol to extend Aggregator with CCIP cross-chain messaging capabilities.
- Created .gitmodules to include OpenZeppelin contracts as a submodule.
- Developed a comprehensive deployment guide in NEXT_STEPS_COMPLETE_GUIDE.md for Phase 2 and smart contract deployment.
- Implemented Vite configuration for the orchestration portal, supporting both Vue and React frameworks.
- Added server-side logic for the Multi-Cloud Orchestration Portal, including API endpoints for environment management and monitoring.
- Created scripts for resource import and usage validation across non-US regions.
- Added tests for CCIP error handling and integration to ensure robust functionality.
- Included various new files and directories for the orchestration portal and deployment scripts.

README_MULTI_CLOUD.md

@@ -0,0 +1,131 @@
+# Multi-Cloud, HCI, and Hybrid Architecture - Quick Start
+
+## 🎯 Overview
+
+Your 6-region project has been transformed into a **multi-cloud, HCI, and hybrid architecture** that supports:
+
+- ✅ **Multiple Cloud Providers**: Azure, AWS, GCP, IBM Cloud, Oracle Cloud
+- ✅ **On-Premises HCI**: Azure Stack HCI, vSphere-based clusters  
+- ✅ **Hybrid Deployments**: Azure-centric control plane managing workloads across all providers
+- ✅ **Configuration-Driven**: Add/remove environments by editing a single YAML file
+
+## 🚀 Quick Start
+
+### 1. Configure Environments
+
+Edit `config/environments.yaml` to define your environments:
+
+```yaml
+environments:
+  - name: admin-azure-westus
+    role: admin
+    provider: azure
+    enabled: true
+    # ... configuration
+```
+
+### 2. Deploy Infrastructure
+
+```bash
+cd terraform/multi-cloud
+terraform init
+terraform plan
+terraform apply
+```
+
+### 3. Access Orchestration Portal
+
+```bash
+cd orchestration/portal
+pip install -r requirements.txt
+python app.py
+```
+
+Visit: http://localhost:5000
+
+## 📁 Key Files
+
+- **`config/environments.yaml`** - Single source of truth for all environments
+- **`terraform/multi-cloud/`** - Multi-cloud Terraform modules
+- **`orchestration/portal/`** - Web-based orchestration UI
+- **`.github/workflows/multi-cloud-deploy.yml`** - CI/CD pipeline
+
+## 🏗️ Architecture Highlights
+
+### Environment Abstraction
+- All environments defined in one YAML file
+- No hard-coded regions or providers
+- Easy to add/remove environments
+
+### Cloud-Agnostic Modules
+- **Azure**: Reuses existing modules, adds multi-cloud support
+- **AWS**: EKS clusters with networking
+- **GCP**: GKE clusters with networking
+- **On-Prem HCI**: Azure Stack HCI and vSphere support
+
+### Azure Hybrid Stack
+- **Azure Arc**: Onboard clusters from any provider to Azure
+- **Unified Management**: Manage all clusters via Azure portal
+- **GitOps**: Deploy applications via Azure Arc
+
+### Abstraction Layers
+- **Networking**: VPC/VNet/VLAN unified interface
+- **Identity**: Federated identity across providers
+- **Secrets**: Vault, Azure Key Vault, AWS Secrets Manager
+- **Observability**: Unified logging, metrics, tracing
+
+## 📚 Documentation
+
+See [docs/MULTI_CLOUD_ARCHITECTURE.md](docs/MULTI_CLOUD_ARCHITECTURE.md) for complete documentation.
+
+## 🔄 Deployment Strategies
+
+### Blue-Green
+```bash
+./orchestration/strategies/blue-green.sh <environment> <version>
+```
+
+### Canary
+```bash
+./orchestration/strategies/canary.sh <environment> <version> <percentage>
+```
+
+## 🎛️ Web Portal Features
+
+- View all environments grouped by provider
+- Trigger deployments to any environment
+- Monitor deployment status
+- View cluster health and metrics
+
+## 🔐 Security
+
+- Zero-trust networking
+- Service mesh with mTLS
+- Federated identity
+- Centralized secrets management
+- Policy-as-code
+
+## 📊 Observability
+
+- **Logging**: Loki, Elasticsearch, or cloud-native
+- **Metrics**: Prometheus with Grafana
+- **Tracing**: Jaeger, Zipkin, or Tempo
+
+## 🎉 What's Next?
+
+1. **Enable Environments**: Edit `config/environments.yaml` and set `enabled: true`
+2. **Configure Credentials**: Set cloud provider credentials as environment variables
+3. **Deploy**: Run `terraform apply` or use the web portal
+4. **Monitor**: Use the orchestration portal to monitor all environments
+
+## 💡 Tips
+
+- Start with 2-3 environments before scaling
+- Use the admin region for CI/CD and control plane
+- Enable Azure Arc for unified management
+- Use service mesh for secure cross-cloud communication
+
+---
+
+**Status**: ✅ All components implemented and ready for use!
+