probe windows runner

.gitea/workflows/probe.yml

@@ -0,0 +1,16 @@
+name: probe-windows
+on: push
+jobs:
+  probe:
+    runs-on: windows-latest
+    steps:
+      - run: |
+          $PSVersionTable.PSVersion
+          whoami; hostname; Get-Location
+          [Environment]::OSVersion
+          foreach ($c in 'git','bash','pwsh','powershell','python','python3','curl','tar','7z','cmake','ninja','flutter','dart','node','cl','msbuild') { $p = Get-Command $c -ErrorAction SilentlyContinue; "{0,-12} {1}" -f $c, ($p.Source) }
+          $vw = "${env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe"
+          if (Test-Path $vw) { & $vw -all -products * -format text | Select-String 'displayName|installationPath|installationVersion' } else { 'no vswhere' }
+          Get-PSDrive -PSProvider FileSystem | Select-Object Name,Free
+          "PATH=$env:PATH"
+        shell: powershell