Implement pipeline to publish TFX CLI automatically (#435)

.azure-pipelines/azure-pipeline.yml

@@ -0,0 +1,37 @@
+trigger:
+- master
+
+pool:
+  vmImage: windows-latest
+
+variables:
+- group: npm-tokens
+
+steps:
+- checkout: self
+  clean: true
+
+- task: NodeTool@0
+  displayName: Use node 10
+  inputs:
+    versionSpec: "10.x"
+
+- script: npm i -g npm@6.14.12 --force
+  displayName: Use npm version 6.14.12
+
+- script: npm ci
+  displayName: Install npm-dependencies
+
+- script: npm run build
+  displayName: Build TFX CLI
+
+- powershell: |
+    "//registry.npmjs.org/:_authToken=$env:NPM_TOKEN" | Out-File ".npmrc"
+    & npm publish --ignore-scripts _build
+    if ($LASTEXITCODE -eq 1) {
+      Write-Host "##vso[task.logissue type=warning]Publishing TFX CLI was unsuccessful"
+      exit 0
+    }
+  env:
+    NPM_TOKEN: $(npm-automation.token)
+  displayName: Publish TFX CLI