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.

test/config/Chain138Config.sol

@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
+
+/**
+ * @title Chain138Config
+ * @notice Configuration constants for ChainID 138 (DeFi Oracle Meta Mainnet) tests
+ */
+library Chain138Config {
+    uint256 public constant CHAIN_ID = 138;
+    string public constant NETWORK_NAME = "DeFi Oracle Meta Mainnet";
+    string public constant RPC_URL = "${RPC_URL_138:-http://localhost:8545}";
+    string public constant EXPLORER_URL = "https://explorer.d-bis.org";
+
+    // Gas configuration
+    uint256 public constant GAS_LIMIT = 8_000_000;
+    uint256 public constant GAS_PRICE = 1_000_000_000; // 1 gwei
+
+    // Block configuration
+    uint256 public constant BLOCK_TIME = 2; // seconds
+    uint256 public constant CONFIRMATIONS = 1;
+
+    // Test accounts (for local testing)
+    address public constant TEST_ADMIN = address(0x1);
+    address public constant TEST_USER1 = address(0x2);
+    address public constant TEST_USER2 = address(0x3);
+    address public constant TEST_MULTISIG = address(0x4);
+}
+