Sharing

Fixes #15.
Oh I see. I thought your application was packaged, not hosted.
I mainly checked it using https://marketplace.firefox.com/developers/validator, but packaging it before.
I assume you use the hosted way to update more easily. If you stay with hosted, you'll need to use the old paths (or host it directly on http://flaburgan.github.io, but that's an issue if you want to host several apps).