Set up CI with Azure Pipelines

[skip ci]

.devops/build-nuget.yaml

@@ -0,0 +1,65 @@
+variables:
+  ENETVER: 11.5.1
+  projectAPI:  './ElectronNet.API/ElectronNet.API.csproj'
+  projectCLI:  './ElectronNet.CLI/ElectronNet.CLI.csproj'
+
+trigger:
+- master
+
+pool:
+  vmImage: windows-latest
+
+steps:
+- checkout: self
+  submodules: true
+  fetchDepth: 10
+
+- task: NuGetToolInstaller@1
+
+- task: UseDotNet@2
+  displayName: 'Use .NET Core sdk'
+  inputs:
+    packageType: sdk
+    version: 5.0.203
+    installationPath: $(Agent.ToolsDirectory)/dotnet
+
+- task: DotNetCoreCLI@2
+  displayName: 'restore nuget'
+  inputs:
+    command: 'restore'
+    projects: '$(projectAPI)'
+    
+- task: DotNetCoreCLI@2
+  displayName: 'restore nuget'
+  inputs:
+    command: 'restore'
+    projects: '$(projectCLI)'
+
+
+- task: DotNetCoreCLI@2
+  inputs:
+    command: 'build'
+    projects: '$(projectAPI)'
+    arguments: '--configuration Release --force /property:Version=%ENETVER%'
+    
+- task: DotNetCoreCLI@2
+  inputs:
+    command: 'build'
+    projects: '$(projectCLI)'
+    arguments: '--configuration Release --force /property:Version=%ENETVER%'
+
+- task: DotNetCoreCLI@2
+  inputs:
+    command: 'pack'
+    packagesToPack: '$(projectAPI)'
+    configuration: 'Release'
+    versioningScheme: 'off'
+    buildProperties: 'Version=%ENETVER%'
+
+- task: DotNetCoreCLI@2
+  inputs:
+    command: 'pack'
+    packagesToPack: '$(projectCLI)'
+    configuration: 'Release'
+    versioningScheme: 'off'
+    buildProperties: 'Version=%ENETVER%'