FR: Make use of new win32 sandboxing

[hj-collab]

Hi,

Windows have introduced sandboxing for classic win32 applications. It will drastically improve the security of Windows users and prevent any vulnerability in Zerotier harming the system as the process will be isolated.

Build instructions given here. https://github.com/microsoft/win32-app-isolation

[crzsotona]

I believe you don't truly understand what ZeroTier requires while running on Windows and why AppContainer is no go.