Update azure-pipelines-1.yml for Azure Pipelines

Author: Keboo

azure-pipelines-1.yml

@@ -8,6 +8,16 @@ variables:
 
 steps:
 
+- task: PowerShell@2
+  displayName: "Git Clean"
+  inputs:
+    targetType: 'inline'
+    script: 'git clean -f"
+     
+      git branch -f pipeline/icons | Write-Host
+
+      git checkout -f pipeline/icons | Write-Host'
+
 - powershell: .paket\paket.exe restore
 
 - task: VSBuild@1