adde azure devops yaml file

azure-pipelines.yml

@@ -0,0 +1,15 @@
+resources:
+- repo: self
+queue:
+  name: Hosted VS2017
+steps:
+- powershell: ./ '.\DoTests.ps1'
+  displayName: 'PowerShell Script'
+
+- task: ArchiveFiles@2
+  displayName: 'Archive $(Build.BinariesDirectory)'
+
+trigger:
+  paths:
+    exclude:
+    - README.md