DMP-5276-OpenapiValidator

Added open api validation

Author: karen-hedges

README.md

@@ -393,6 +393,13 @@ Please see the separate [Dev environment](https://tools.hmcts.net/confluence/dis
 
 This repo contains overrides for the default dev environment configuration, controlled by PR labels.
 
+### Supported labels
+
+| Label                  | Usages                                                                                           |
+|------------------------|--------------------------------------------------------------------------------------------------|
+| enable_darts_portal    | Deploys a DARTS portal instance alongside the API in the dev environment                         |
+| enable_darts_fullstack | Not yet supported, but will deploy the full DARTS stack alongside the API in the dev environment |
+
 ## OpenAPI Specification and Data Schema Validation
 
 This repository uses spectral to validate OpenAPI specifications. To install spectral, you can use npm or yarn:
@@ -409,7 +416,11 @@ Documentation: https://stoplight.io/open-source/spectral
 
 ## OpenAPI Validation
 
-The application uses OpenAPI validation to ensure that incoming requests and outgoing responses conform to the OpenAPI specification.
+The application uses OpenAPI validation to ensure that incoming requests and outgoing responses conform to the OpenAPI specification. To install the IBM OpenAPI
+validator, you can use npm or yarn:
+
+https://github.com/IBM/openapi-validator?tab=readme-ov-file#installation
+
 To enable OpenAPI validation, the following properties are set in the application configuration:
 
 ```bash
@@ -420,13 +431,6 @@ For more information on OpenAPI validation with IBM openapi validator, see the [
 
 Validate the data payload JSON Schemas:
 
-### Supported labels
-
-| Label                  | Usages                                                                                           |
-|------------------------|--------------------------------------------------------------------------------------------------|
-| enable_darts_portal    | Deploys a DARTS portal instance alongside the API in the dev environment                         |
-| enable_darts_fullstack | Not yet supported, but will deploy the full DARTS stack alongside the API in the dev environment |
-
 ## License
 
 This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details