Basic loopback check

Author: melanchall

.github/workflows/build-native-libs.yml

@@ -21,9 +21,26 @@ jobs:
       - name: Setup MSBuild
         uses: microsoft/setup-msbuild@v2
 
+      - name: Download Microsoft.Windows.Devices.Midi2.nupkg
+        shell: pwsh
+        run: |
+          $packageUrl = "https://github.com/microsoft/MIDI/releases/download/rc-3/Microsoft.Windows.Devices.Midi2.1.0.16-rc.3.7.nupkg"
+          $downloadFolder = "${{ runner.temp }}\Midi2"
+          
+          New-Item -Path $downloadFolder -ItemType Directory -Force | Out-Null
+          
+          $fileName = Split-Path $packageUrl -Leaf
+          $destinationPath = Join-Path $downloadFolder $fileName
+          
+          Write-Host "Downloading package from: $packageUrl"
+          Write-Host "Saving to: $destinationPath"
+          
+          Invoke-WebRequest -Uri $packageUrl -OutFile $destinationPath
+          Write-Host "Download complete. Package saved to: $destinationPath"
+
       - name: Restore NuGet packages
         run: |
-          nuget restore "Resources/Native/Windows/Melanchall.DryWetMidi.Native.Windows/Melanchall.DryWetMidi.Native.Windows/Melanchall.DryWetMidi.Native.Windows.vcxproj" -SolutionDirectory "${{ github.workspace }}/Resources/Native/Windows/Melanchall.DryWetMidi.Native.Windows"
+          nuget restore "Resources/Native/Windows/Melanchall.DryWetMidi.Native.Windows/Melanchall.DryWetMidi.Native.Windows/Melanchall.DryWetMidi.Native.Windows.vcxproj" -Source "${{ runner.temp }}\Midi2" -Source "https://api.nuget.org/v3/index.json" -SolutionDirectory "${{ github.workspace }}/Resources/Native/Windows/Melanchall.DryWetMidi.Native.Windows"
 
       - name: Build dll
         run: |