replace v6 with experimental v7 code

src/MpvNet.Windows/Release.ps1

@@ -0,0 +1,21 @@
+
+$tmpDir      = 'D:\Work'
+$exePath     = $PSScriptRoot + '\bin\mpvnet.exe'
+$versionInfo = [Diagnostics.FileVersionInfo]::GetVersionInfo($exePath)
+$7z          = 'C:\Program Files\7-Zip\7z.exe'
+
+$targetDir = $tmpDir + "\mpvnet-$($versionInfo.FileVersion)-beta"
+Copy-Item $PSScriptRoot\bin $targetDir -Recurse -Exclude System.Management.Automation.xml
+
+$folders = 'Debug', 'Release', 'x64', 'x86', 'Arm'
+
+foreach ($folder in $folders) {
+    Remove-Item (Join-Path $targetDir $folder) -Recurse -ErrorAction SilentlyContinue
+}
+
+& $7z a -tzip -mx9 "$targetDir.zip" -r "$targetDir\*"
+
+if ($LastExitCode)
+    { throw $LastExitCode }
+
+Write-Host 'successfully finished' -ForegroundColor Green