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.

script/DeployMultiSig.s.sol

@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.19;
+
+import {Script, console} from "forge-std/Script.sol";
+import {MultiSig} from "../contracts/governance/MultiSig.sol";
+
+contract DeployMultiSig is Script {
+    function run() external {
+        // Get owners from environment or use defaults
+        address[] memory owners = new address[](3);
+        owners[0] = vm.envAddress("MULTISIG_OWNER_1");
+        owners[1] = vm.envAddress("MULTISIG_OWNER_2");
+        owners[2] = vm.envAddress("MULTISIG_OWNER_3");
+        
+        uint256 required = vm.envUint("MULTISIG_REQUIRED");
+        
+        vm.startBroadcast();
+        
+        MultiSig multisig = new MultiSig(owners, required);
+        
+        console.log("MultiSig deployed at:", address(multisig));
+        console.log("Required confirmations:", required);
+        
+        vm.stopBroadcast();
+    }
+}
+