Use BS fullscreen message

[Swiip]

I think it would be great to use this new BS plugin.

https://github.com/shakyShane/bs-fullscreen-message

[zckrs]

IMO this issue is already fixed

[Swiip]

Yep, I discovered we already have this with the webpack middleware. But I think it's only the case with React. Other confs doesn't (yet?) use the middleware.