Set up CI with Azure Pipelines

[skip ci]

Author: licanhua

azure-pipelines.yml

@@ -23,27 +23,9 @@ steps:
   inputs:
     script: yarn run prepublishOnly
 
-- task: CmdLine@2
-  inputs:
-    script: |
-      npm pack
-
-- task: CopyFiles@2
-  inputs:
-    sourceFolder: '$(Build.SourcesDirectory)'
-    contents: '*.tgz' 
-    targetFolder: $(Build.ArtifactStagingDirectory)/npm
-  displayName: 'Copy npm package'
-
-- task: CopyFiles@2
-  inputs:
-    sourceFolder: '$(Build.SourcesDirectory)'
-    contents: 'package.json' 
-    targetFolder: $(Build.ArtifactStagingDirectory)/npm
-  displayName: 'Copy package.json'
-
-- task: PublishBuildArtifacts@1
+- task: DownloadGitHubRelease@0
   inputs:
-    pathtoPublish: '$(Build.ArtifactStagingDirectory)/npm'
-    artifactName: npm
-  displayName: 'Publish npm artifact'
+    connection: 'react-native-windows'
+    userRepository: CalculatorPackage
+    defaultVersionType: 'latest'
+    downloadPath: '$(System.ArtifactsDirectory)'