Merge pull request #36 from NHSDigital/APM-6127-update-README

APM-6127 update README for open API gen

Author: koppuravuris

README.md

@@ -64,17 +64,15 @@ Each API and team is unique. We encourage you to use a `test/` folder in the roo
 
  * [**openapi-yaml-mode**](https://github.com/esc-emacs/openapi-yaml-mode) provides syntax highlighting, completion, and path help
 
-### Speccy
 
-> [Speccy](http://speccy.io/) *A handy toolkit for OpenAPI, with a linter to enforce quality rules, documentation rendering, and resolution.*
+### OpenAPI Generator
 
-Speccy does the lifting for the following npm scripts:
+> [OpenAPI Generator](https://github.com/OpenAPITools/openapi-generator-cli) *OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec*
 
- * `test` -- Lints the definition
- * `publish` -- Outputs the specification as a **single file** into the `build/` directory
- * `serve` -- Serves a preview of the specification in human-readable format
+OpenAPI Generator does the lifting for the following npm scripts:
 
-(Workflow detailed in a [post](https://developerjack.com/blog/2018/maintaining-large-design-first-api-specs/) on the *developerjack* blog.)
+ * `lint` -- Lints the definition
+ * `publish` -- Outputs the specification as a **single file** into the `dist/` directory
 
 :bulb: The `publish` command is useful when uploading to Apigee which requires the spec as a single file.