Enhance mapping and orchestrator services with new features and improvements

- Updated `mapping-service` to include WEB3-ETH-IBAN support, health check endpoint, and improved error handling for account-wallet linking.
- Added new provider connection and status endpoints in `mapping-service`.
- Enhanced `orchestrator` service with health check, trigger management endpoints, and improved error handling for trigger validation and submission.
- Updated dependencies in `package.json` for both services, including `axios`, `uuid`, and type definitions.
- Improved packet service with additional validation and error handling for packet generation and dispatching.
- Introduced webhook service enhancements, including delivery retries, dead letter queue management, and webhook management endpoints.

api/services/orchestrator/README.md

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+# Orchestrator Service
+
+ISO-20022 orchestrator service managing trigger state machine and rail adapters.
+
+## Features
+
+- ISO-20022 message routing and normalization
+- Trigger state machine (CREATED → VALIDATED → SUBMITTED → PENDING → SETTLED/REJECTED)
+- On-chain fund locking and release
+- Rail adapter coordination (Fedwire, SWIFT, SEPA, RTGS)
+- Event publishing
+
+## State Machine
+
+```
+CREATED → VALIDATED → SUBMITTED_TO_RAIL → PENDING → SETTLED
+                                              ↓
+                                           REJECTED
+```
+
+## API Endpoints
+
+- `GET /v1/orchestrator/triggers/:triggerId` - Get trigger
+- `GET /v1/orchestrator/triggers` - List triggers
+- `POST /v1/orchestrator/triggers/:triggerId/validate-and-lock` - Validate and lock
+- `POST /v1/orchestrator/triggers/:triggerId/mark-submitted` - Mark submitted
+- `POST /v1/orchestrator/triggers/:triggerId/confirm-settled` - Confirm settled
+- `POST /v1/orchestrator/triggers/:triggerId/confirm-rejected` - Confirm rejected
+- `POST /v1/iso/inbound` - Route inbound ISO-20022 message
+- `POST /v1/iso/outbound` - Route outbound ISO-20022 message
+
+## Rails
+
+Supported payment rails:
+- `fedwire` - Fedwire
+- `swift` - SWIFT
+- `sepa` - SEPA
+- `rtgs` - RTGS
+
+## Configuration
+
+- `REST_API_URL` - Main REST API URL
+- `RPC_URL` - Blockchain RPC URL
+- `PRIVATE_KEY` - Signer private key
+