Download .NET6 Automatically

[200Tigersbloxed]

Of course, because Microsoft is quirky, their download links will just not work after a while of time. The download will need to be mirrored somewhere else and downloaded from there instead.

client.DownloadFileAsync(
    new Uri( "https://download.visualstudio.microsoft.com/download/pr/f13d7b5c-608f-432b-b7ec-8fe84f4030a1/" +
             "5e06998f9ce23c620b9d6bac2dae6c1d/windowsdesktop-runtime-6.0.4-win-x64.exe"), outputFile);

(https://github.com/200Tigersbloxed/HRtoVRChat_OSC/blob/main/HRtoVRChat_OSC_UI/NETDetect.cs#L80-L83)

[200Tigersbloxed]

No longer needed in v2.0.0