Send WebAssembly binary to client

[stephenc87]

Once WebAssembly is received from host execute the assembly and expose MRE API to it
Ticket for client microsoft/mixed-reality-extension-sdk#735

[stephenc87]

What I am thinking, creating the containerType option 'WebAssembly' , creating a root object WebAssembly making a public class CreateFromWebAssembly, also with the PayloadType as create-from-WebAssembly