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/METAMASK_CHAINLIST.md

@@ -0,0 +1,41 @@
+# Chainlist Status for ChainID 138
+
+## Current Status
+
+ChainID 138 (DeFi Oracle Meta Mainnet) is listed on Chainlist and chainid.network.
+
+## Verification Checklist
+
+- [ ] Verify entry on [chainlist.org/chain/138](https://chainlist.org/chain/138)
+- [ ] Verify entry on [chainid.network/chain/138](https://chainid.network/chain/138)
+- [ ] Confirm RPC URLs are accessible and have high availability
+- [ ] Confirm explorer URL is accessible
+- [ ] Verify network metadata matches production configuration
+- [ ] Test "Add to MetaMask" button on Chainlist
+
+## Network Metadata
+
+- **ChainID**: 138 (0x8a)
+- **Chain Name**: DeFi Oracle Meta Mainnet
+- **Native Currency**: ETH (18 decimals)
+- **RPC URLs**:
+  - Primary: `https://rpc.d-bis.org`
+  - Secondary: `https://rpc2.d-bis.org`
+  - WebSocket: `wss://rpc.d-bis.org`
+- **Block Explorer**: `https://explorer.d-bis.org`
+- **Domain**: `d-bis.org` (Cloudflare DNS/SSL)
+
+## Update Process
+
+1. Update metadata in `metamask/ethereum-lists-chain.json`
+2. Submit PR to [ethereum-lists/chains](https://github.com/ethereum-lists/chains)
+3. Verify Chainlist automatically updates from ethereum-lists
+4. Test network addition via Chainlist
+
+## Monitoring
+
+- Monitor RPC endpoint uptime (target: ≥99.9%)
+- Monitor explorer availability
+- Track user reports of network addition issues
+- Update metadata when RPC endpoints change
+