Added check for open api errors as part of prechecks in pipeline

Author: timayabi2020

.azure-pipelines/ci-build.yml

@@ -42,6 +42,8 @@ jobs:
           git submodule update --init --recursive
       - template: ./common-templates/install-tools.yml
       - template: ./common-templates/security-pre-checks.yml
+      
+      - template: ./generation-templates/check-openapi-errors.yml
 
       - template: ./generation-templates/authentication-module.yml
         parameters:

.azure-pipelines/generation-templates/check-openapi-errors.yml

@@ -0,0 +1,10 @@
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+steps:
+  - task: PowerShell@2
+    displayName: Check for OpenAPI Errors
+    inputs:
+      targetType: inline
+      pwsh: true
+      script: |
+        . $(System.DefaultWorkingDirectory)/tools/OpenApiInfoGenerator/OpenApiInfoGenerator/OpenApiChanges.ps1