Update azure-pipelines.yml for Azure Pipelines

Author: davidwalschots

azure-pipelines.yml

@@ -48,7 +48,14 @@ steps:
   inputs:
     Contents: '*.tgz'
     TargetFolder: '$(Build.ArtifactStagingDirectory)/npm'
-    CleanTargetFolder: true
+  displayName: 'Copy package'
+
+- task: CopyFiles@2
+  inputs:
+    sourceFolder: '$(Build.SourcesDirectory)/angular-reactive-validation/'
+    contents: 'angular-reactive-validation/package.json' 
+    targetFolder: $(Build.ArtifactStagingDirectory)/npm
+  displayName: 'Copy package.json'
 
 - task: PublishBuildArtifacts@1
   inputs: