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.

docs/operations/integrations/INTEGRATIONS_INDEX.md

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+# Integrations Index
+
+**Last Updated**: 2025-01-27  
+**Status**: Active
+
+This index organizes all integration documentation for the DeFi Oracle Meta Mainnet (ChainID 138).
+
+## Overview
+
+This project integrates with multiple external services and protocols. This index helps you find the right integration guide.
+
+## Integration Categories
+
+### CCIP Integration
+
+- **[CCIP Integration](CCIP_INTEGRATION.md)** - Complete CCIP integration guide
+- **[CCIP Router Setup](CCIP_ROUTER_SETUP.md)** - Setting up CCIP Router
+- **[CCIP Message Format](CCIP_MESSAGE_FORMAT.md)** - CCIP message format reference
+- **[CCIP Fees](CCIP_FEES.md)** - CCIP fee calculation and management
+- **[CCIP Troubleshooting](CCIP_TROUBLESHOOTING.md)** - CCIP troubleshooting guide
+- **[WETH CCIP Deployment](WETH_CCIP_DEPLOYMENT.md)** - Deploying WETH with CCIP
+
+### MetaMask Integration
+
+- **[MetaMask Integration](METAMASK_INTEGRATION.md)** - Complete MetaMask integration
+- **[MetaMask Developer Guide](METAMASK_DEVELOPER_GUIDE.md)** - Developer-focused guide
+- **[MetaMask Chainlist](METAMASK_CHAINLIST.md)** - Adding to Chainlist
+- **[MetaMask Portfolio](METAMASK_PORTFOLIO.md)** - Portfolio integration
+- **[MetaMask Safety](METAMASK_SAFETY.md)** - Safety and security
+- **[MetaMask Test Checklist](METAMASK_TEST_CHECKLIST.md)** - Testing checklist
+- **[MetaMask Gaps Analysis](METAMASK_GAPS_ANALYSIS.md)** - Gap analysis
+- **[MetaMask Bridge Swap](METAMASK_BRIDGE_SWAP.md)** - Bridge and swap integration
+- **[Blockscout MetaMask](BLOCKSCOUT_METAMASK.md)** - Blockscout integration
+
+### Other Integrations
+
+- **[Firefly Integration](FIREFLY_INTEGRATION.md)** - Hyperledger Firefly integration
+- **[Cacti Integration](CACTI_INTEGRATION.md)** - Hyperledger Cacti integration
+- **[Bridge Configuration](BRIDGE_CONFIGURATION.md)** - Bridge configuration
+
+### WETH Deployment
+
+- **[WETH Deployment Methods](WETH_DEPLOYMENT_METHODS.md)** - WETH deployment options
+- **[WETH CCIP Deployment](WETH_CCIP_DEPLOYMENT.md)** - WETH with CCIP
+
+## Quick Reference
+
+### I want to integrate CCIP
+
+1. Start with [CCIP Integration](CCIP_INTEGRATION.md)
+2. Follow [CCIP Router Setup](CCIP_ROUTER_SETUP.md)
+3. Review [CCIP Message Format](CCIP_MESSAGE_FORMAT.md)
+4. Check [CCIP Troubleshooting](CCIP_TROUBLESHOOTING.md) if issues
+
+### I want to integrate MetaMask
+
+1. Start with [MetaMask Integration](METAMASK_INTEGRATION.md)
+2. Follow [MetaMask Developer Guide](METAMASK_DEVELOPER_GUIDE.md)
+3. Add to [MetaMask Chainlist](METAMASK_CHAINLIST.md)
+4. Use [MetaMask Test Checklist](METAMASK_TEST_CHECKLIST.md)
+
+### I want to deploy WETH
+
+1. Review [WETH Deployment Methods](WETH_DEPLOYMENT_METHODS.md)
+2. Follow deployment guide for chosen method
+3. For CCIP: See [WETH CCIP Deployment](WETH_CCIP_DEPLOYMENT.md)
+
+## Integration Status
+
+| Integration | Status | Documentation |
+|-------------|--------|---------------|
+| CCIP | ✅ Complete | [CCIP Integration](CCIP_INTEGRATION.md) |
+| MetaMask | ✅ Complete | [MetaMask Integration](METAMASK_INTEGRATION.md) |
+| Firefly | ✅ Complete | [Firefly Integration](FIREFLY_INTEGRATION.md) |
+| Cacti | ✅ Complete | [Cacti Integration](CACTI_INTEGRATION.md) |
+| WETH | ✅ Complete | [WETH Deployment Methods](WETH_DEPLOYMENT_METHODS.md) |
+
+## Related Documentation
+
+- [Master Documentation Index](../../MASTER_DOCUMENTATION_INDEX.md)
+- [Integration Guide](../../guides/INTEGRATION_GUIDE.md)
+- [Getting Started](../../guides/GETTING_STARTED.md)
+
+---
+
+**Last Updated**: 2025-01-27
+