Enhance API services with validation and error handling improvements

- Integrated Zod validation schemas across various API routes to ensure input integrity and improve error handling.
- Updated `mapping-service`, `orchestrator`, `packet-service`, and `webhook-service` to utilize validation middleware for request parameters and bodies.
- Improved error handling in webhook management, packet generation, and compliance routes to provide clearer feedback on request failures.
- Added new validation schemas for various endpoints, enhancing overall API robustness and maintainability.
- Updated dependencies in `package.json` to include the new validation library.

api/shared/validation/package.json

@@ -2,11 +2,12 @@
   "name": "@emoney/validation",
   "version": "1.0.0",
   "description": "Schema validation utilities for eMoney API",
-  "main": "schema-validator.js",
-  "types": "schema-validator.d.ts",
+  "main": "index.js",
+  "types": "index.d.ts",
   "dependencies": {
     "ajv": "^8.12.0",
-    "ajv-formats": "^2.1.1"
+    "ajv-formats": "^2.1.1",
+    "zod": "^3.22.4"
   },
   "devDependencies": {
     "@types/node": "^20.10.0",