Allowing deploying / using wasmboy outside of npm

[torch2424]

We can use this with out np deployment: https://github.com/enriquecaballero/branchsite

And then start hosting the builts assets and JS modules, that way people can use a cdn or something like that to include wasmboy through the standard <script> tag 😄

Also, would be cool if we could just host something on the GHpages or through rawgit, for an iframe embed, so anyone can easily embed wasmboy in just an iframe, with a .gb passed in through query params 😄

[torch2424]

We can use the Wasmboy UMD build output for this. Thus, we just need a simple / small implementation for this 😄