Adds Deno with Tokio and an interface to the EventLoop (#3)

* successfully running a js file

* deno OP

* SPIKE: adding a rect though a custom event from js

* 10 rects

* cleanuo wip

* cleanup wip

* cleanup wip

* wip

* wip

* rect is now a touple

* cleanup

* optics

Author: LukasBombach