testing manual install of latest AST

.az-pipelines/test-ast-install.yml

@@ -0,0 +1,23 @@
+trigger: none
+
+pool:
+  vmImage: 'windows-latest'
+
+variables:
+- group: code-signing-test
+
+steps:
+- script: |
+    git clone https://github.com/vcsjones/AzureSignTool.git
+    dotnet tool restore
+
+    #set DOTNET_SKIP_FIRST_TIME_EXPERIENCE=true
+    #dotnet tool install --global AzureSignTool --version 2.0.17
+  displayName: 'install AzureSignTool'
+
+- script: dotnet tool list
+  displayName: 'testing dotnet tool list'
+
+- script: AzureSignTool.exe sign --help
+  displayName: 'Debugging AST'
+