Run code as module

[jeroen]

Such that we can use

• top level await https://stackoverflow.com/questions/52023157/how-would-one-enable-and-use-es6-modules-in-the-v8-javascript-engine
• enable import of other modules

[jeroen]

This example seems more up to date https://gist.github.com/surusek/4c05e4dcac6b82d18a1a28e6742fc23e