Add Azure Pipelines (#3140)

* Adding ci files

* Single pipeline

* Add test reporting

* Try adding mocha-junit-reporter

* More complete test reporting

* Cleaning up

* Trying to find location of test file

* Added searching logic to wrong file

* Trying different method of getting test results

* Add reporter option

* Adding alternate way of getting mac os

* Get rid of bad comments

azure-pipelines-windows.yml

@@ -0,0 +1,27 @@
+steps:
+- task: NodeTool@0
+  inputs:
+    versionSpec: '8.9'
+  displayName: 'Install Node.js'
+
+- script: |
+    yarn
+  displayName: 'Yarn Install'
+
+- script: |
+    .\node_modules\.bin\gulp electron
+  displayName: 'Electron'
+
+- script: |
+    npm run compile
+  displayName: 'Compile'
+
+- script: |
+    .\scripts\test.bat
+    .\scripts\test-integration.bat
+  displayName: 'Test'
+
+- task: PublishTestResults@2
+  inputs:
+    testResultsFiles: '**/test-results.xml'    
+  condition: succeededOrFailed()