Merge pull request #703 from ruby/azure-pipelines

Set up CI with Azure Pipelines

Author: hsbt

azure-pipelines.yml

@@ -0,0 +1,11 @@
+jobs:
+- job: macOS
+  pool:
+    vmImage: 'macos-10.13'
+  steps:
+  - script: |
+      gem install bundler
+      bundle install --retry=3 --jobs=4
+    displayName: 'bundle install'
+  - script: rake
+    displayName: 'rake'