Addressable prefabs

Just wrote wrapper that handles prefab loading and instances creation.


pseudo-code

Pretty easy to use comparing to manual async handling and looks more like classic approach.
It may also come in handy for instances management per-prefab later on.

But want to know if we need this at the beginning of project
https://gist.github.com/neon-age/6f885b941ce3a099d80c047653a9fc0d