Azure Pipelines: initial CI setup

[skip ci]

.azure-pipelines.yml

@@ -0,0 +1,20 @@
+# Starter pipeline
+# Start with a minimal pipeline that you can customize to build and deploy your code.
+# Add steps that build, run tests, deploy, and more:
+# https://aka.ms/yaml
+
+trigger:
+- master
+
+pool:
+  vmImage: 'ubuntu-latest'
+
+steps:
+- script: ./buildconf && ./configure
+  displayName: 'Run configure'
+
+- script: make
+  displayName: 'make'
+
+- script: test
+  displayName: 'make check'