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.

scripts/lib/common/paths.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+# Common path definitions for scripts
+# Usage: source "$SCRIPT_DIR/lib/common/paths.sh"
+
+# Get script directory (works even when sourced)
+if [ -z "${SCRIPT_DIR:-}" ]; then
+    SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]:-}")" && pwd)"
+    # If sourced from another script, try to get the calling script's directory
+    if [ "${BASH_SOURCE[0]:-}" = "${BASH_SOURCE[1]:-}" ]; then
+        SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[1]:-}")" && pwd)"
+    fi
+fi
+
+# Project root (two levels up from scripts/)
+if [ -z "${PROJECT_ROOT:-}" ]; then
+    PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
+fi
+
+# Common directories
+readonly CONFIG_DIR="${PROJECT_ROOT}/config"
+readonly KEYS_DIR="${PROJECT_ROOT}/keys"
+readonly SCRIPTS_DIR="${PROJECT_ROOT}/scripts"
+readonly TERRAFORM_DIR="${PROJECT_ROOT}/terraform"
+readonly DOCS_DIR="${PROJECT_ROOT}/docs"
+