message: Update PULL_REQUEST_TEMPLATE.md
  Fix
diff: <i>MSFT employees can try out our new experience at <b>[OpenAPI Hub](https://aka.ms/openapiportal) </b> - one location for using our validation tools and finding your workflow.
  </i><br>
  ### Contribution checklist:
  -- [ ] I have reviewed the [documentation](https://github.com/Azure/azure-rest-api-specs#basics) for the workflow.
  +- [ ] I have reviewed the [documentation](https://github.com/Azure/adx-documentation-pr/wiki/Overall-basic-flow) for the workflow.
  - [ ] [Validation tools](https://github.com/Azure/azure-rest-api-specs/blob/master/documentation/swagger-checklist.md#validation-tools-for-swagger-checklist) were run on swagger spec(s) and have all been fixed in this PR.
  - [ ] The [OpenAPI Hub](https://aka.ms/openapiportal) was used for checking validation status and next steps.
  ### ARM API Review Checklist
  