The code now breaks if pedantic is set and a warning is triggered.

This was causing Boot to fail for CGB.

# Conflicts:
#	frontends/sdl/src/main.rs

Done that by making use of the new emukit features.

The new event driven strategy works better with react.

This makes uses of WASM to JS pipeline.

Callback is done using a global window function.
Printing is performed to the console output.
This is still a work in progress and the final display of the image should be included in the Web interface.