Streamline JS library bindings

[andreaTP]

This integration is currently enabling well dynamic code execution.
Although it's sub-optimal for exposing directly the functionality of a JS library.

For example: https://github.com/andreaTP/highlightjs4j

Issues:

• first execution still needs a full compilation
• you need to move around the "dist" of an npm build and keep it on the classpath

How things can be better:

• pre-compile at build-time with QuickJs and embed only the result
• disable the caching mechanism and pre-load (even with wizer?) the compiled JS code

Unknowns:
I'm not sure how deep should we go, we should measure pros/cons on specializing this much.
For example: should we embed the compiled JS directly in the wasm payload or there is no benefit?

We need to experiment and come up with a proposal.