This way we can change the full path/namespacing at a later point.

We now expect the users to pass the right config to vpu-auth.
Only the API endpoint config remains which we haven't figured out
how to deal with in all cases.

We no longer need to support old edge, so we can just use
import.meta.url everywhere which doesn't any initialization.

karma-chrome-launcher doesn't support newer chrome yet

This should be used by every app, so move it here to avoid duplication.

In case we try to register the element multiple times under the same name
just do nothing. This allows us to not register things by default and
register under the same name in multiple places where needed without
coordination.