Set up CI with Azure Pipelines

[skip ci]

azure-pipelines.yml

@@ -0,0 +1,21 @@
+trigger:
+- master
+
+pool:
+  vmImage: ubuntu-latest
+
+variables:
+  buildConfiguration: 'Release'
+
+steps:
+- task: DotNetCoreCLI@2
+  inputs:
+    command: 'pack'
+    packagesToPack: '**/*.csproj'
+    versioningScheme: 'byBuildNumber'
+
+- task: NuGetCommand@2
+  inputs:
+    command: 'push'
+    packagesToPush: '$(Build.ArtifactStagingDirectory)/**/*.nupkg;!$(Build.ArtifactStagingDirectory)/**/*.symbols.nupkg'
+    nuGetFeedType: 'internal'