docker: added libervia e2e image and include it in `docker-compose_e2e`: The `libervia_e2e` image is based on main `libervia` one, and add, register and set the same test certificates as the ones used in `backend_e2e`.

# XXX: the Monkey Patch is here and not in src/__init__ to avoir issues with pyjamas compilation
# TODO: remove this when changes are merged in Wokkel
from sat_tmp.wokkel import install
install()