chore: add azure pipelines [skip ci]

azure-pipelines.yml

@@ -0,0 +1,26 @@
+# Node.js
+# Build a general Node.js project with npm.
+# Add steps that analyze code, save build artifacts, deploy, and more:
+# https://docs.microsoft.com/azure/devops/pipelines/languages/javascript
+
+trigger:
+- master
+
+pool:
+  vmImage: 'Ubuntu-16.04'
+
+strategy:
+matrix:
+  node_8_x:
+    node_version: 8.x
+  node_10_x:
+    node_version: 10.x
+
+steps:
+- task: NodeTool@0
+  inputs:
+    versionSpec: $(node_version)
+
+- script: |
+    yarn bootstrap
+    yarn test:ci