Expose GPUDriver implementations to c

[SupinePandora43]

As i plan to make GPUdriver implementations embeddable, they can be useful outside of a .NET ecosystem.

NativeAOT can be used to export static methods to c dll.

Requirements

• [ ] Dispose method frees everything
• [ ] public static methods that accept and return only blittable types.
• [ ] .h headers for c/c++ projects

[SupinePandora43]

i tried it and the result was garbage.