- specify clearly the ADMIN vars are when initialization, also add the password - also allow override of domain for test instances
related to https://gitea.pangea.org/trustchain-oc1-orchestral/IdHub/issues/163
also update autotest and nightly instances for more details, see https://gitea.pangea.org/trustchain-oc1-orchestral/IdHub/issues/160
see https://gitea.pangea.org/trustchain-oc1-orchestral/IdHub/issues/141